Home / 77,452.28-106,877.90-43,456.10

Finding the Fourth Proportional to 77,452.28, 106,877.90 and 43,456.10

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Solution

The fourth proportional to 77,452.28, 106,877.90 and 43,456.10 is: 59,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,452.28 : 106,877.90 = 43,456.10 : x
  2. Step 2: Convert to fraction form
    77,452.28/106,877.90 = 43,456.10/x
  3. Step 3: Cross multiply
    77,452.28x = 106,877.90 × 43,456.10
  4. Step 4: Simplify right side
    77,452.28x = 4,644,496,710.19
  5. Step 5: Solve for x
    x = 4,644,496,710.19/77,452.28
  6. Step 6: Final answer
    x = 59,965.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.