Home / 76,005.28-104,887.12-42,471.28

Finding the Fourth Proportional to 76,005.28, 104,887.12 and 42,471.28

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Solution

The fourth proportional to 76,005.28, 104,887.12 and 42,471.28 is: 58,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,005.28 : 104,887.12 = 42,471.28 : x
  2. Step 2: Convert to fraction form
    76,005.28/104,887.12 = 42,471.28/x
  3. Step 3: Cross multiply
    76,005.28x = 104,887.12 × 42,471.28
  4. Step 4: Simplify right side
    76,005.28x = 4,454,690,241.91
  5. Step 5: Solve for x
    x = 4,454,690,241.91/76,005.28
  6. Step 6: Final answer
    x = 58,610.27

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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.