Home / 104,926.40-157,438.20-55,062.80

Finding the Fourth Proportional to 104,926.40, 157,438.20 and 55,062.80

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Solution

The fourth proportional to 104,926.40, 157,438.20 and 55,062.80 is: 82,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,926.40 : 157,438.20 = 55,062.80 : x
  2. Step 2: Convert to fraction form
    104,926.40/157,438.20 = 55,062.80/x
  3. Step 3: Cross multiply
    104,926.40x = 157,438.20 × 55,062.80
  4. Step 4: Simplify right side
    104,926.40x = 8,668,988,118.96
  5. Step 5: Solve for x
    x = 8,668,988,118.96/104,926.40
  6. Step 6: Final answer
    x = 82,619.70

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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.