Home / 64,459.20-96,713.10-31,208.70

Finding the Fourth Proportional to 64,459.20, 96,713.10 and 31,208.70

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Solution

The fourth proportional to 64,459.20, 96,713.10 and 31,208.70 is: 46,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,459.20 : 96,713.10 = 31,208.70 : x
  2. Step 2: Convert to fraction form
    64,459.20/96,713.10 = 31,208.70/x
  3. Step 3: Cross multiply
    64,459.20x = 96,713.10 × 31,208.70
  4. Step 4: Simplify right side
    64,459.20x = 3,018,290,123.97
  5. Step 5: Solve for x
    x = 3,018,290,123.97/64,459.20
  6. Step 6: Final answer
    x = 46,824.82

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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.