Home / 77,432.24-106,864.56-43,449.90

Finding the Fourth Proportional to 77,432.24, 106,864.56 and 43,449.90

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Solution

The fourth proportional to 77,432.24, 106,864.56 and 43,449.90 is: 59,965.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,432.24 : 106,864.56 = 43,449.90 : x
  2. Step 2: Convert to fraction form
    77,432.24/106,864.56 = 43,449.90/x
  3. Step 3: Cross multiply
    77,432.24x = 106,864.56 × 43,449.90
  4. Step 4: Simplify right side
    77,432.24x = 4,643,254,445.54
  5. Step 5: Solve for x
    x = 4,643,254,445.54/77,432.24
  6. Step 6: Final answer
    x = 59,965.39

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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.