Home / 79,646.90-119,403.38-53,271.14

Finding the Fourth Proportional to 79,646.90, 119,403.38 and 53,271.14

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Solution

The fourth proportional to 79,646.90, 119,403.38 and 53,271.14 is: 79,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,646.90 : 119,403.38 = 53,271.14 : x
  2. Step 2: Convert to fraction form
    79,646.90/119,403.38 = 53,271.14/x
  3. Step 3: Cross multiply
    79,646.90x = 119,403.38 × 53,271.14
  4. Step 4: Simplify right side
    79,646.90x = 6,360,753,708.61
  5. Step 5: Solve for x
    x = 6,360,753,708.61/79,646.90
  6. Step 6: Final answer
    x = 79,861.92

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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.