Home / 64,480.20-96,248.70-59,731.17

Finding the Fourth Proportional to 64,480.20, 96,248.70 and 59,731.17

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Solution

The fourth proportional to 64,480.20, 96,248.70 and 59,731.17 is: 89,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,480.20 : 96,248.70 = 59,731.17 : x
  2. Step 2: Convert to fraction form
    64,480.20/96,248.70 = 59,731.17/x
  3. Step 3: Cross multiply
    64,480.20x = 96,248.70 × 59,731.17
  4. Step 4: Simplify right side
    64,480.20x = 5,749,047,461.98
  5. Step 5: Solve for x
    x = 5,749,047,461.98/64,480.20
  6. Step 6: Final answer
    x = 89,159.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.