Home / 123,885.14-185,827.71-53,764.45

Finding the Fourth Proportional to 123,885.14, 185,827.71 and 53,764.45

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Solution

The fourth proportional to 123,885.14, 185,827.71 and 53,764.45 is: 80,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,885.14 : 185,827.71 = 53,764.45 : x
  2. Step 2: Convert to fraction form
    123,885.14/185,827.71 = 53,764.45/x
  3. Step 3: Cross multiply
    123,885.14x = 185,827.71 × 53,764.45
  4. Step 4: Simplify right side
    123,885.14x = 9,990,924,622.91
  5. Step 5: Solve for x
    x = 9,990,924,622.91/123,885.14
  6. Step 6: Final answer
    x = 80,646.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.