Home / 64,416.64-96,772.48-38,139.52

Finding the Fourth Proportional to 64,416.64, 96,772.48 and 38,139.52

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Solution

The fourth proportional to 64,416.64, 96,772.48 and 38,139.52 is: 57,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,416.64 : 96,772.48 = 38,139.52 : x
  2. Step 2: Convert to fraction form
    64,416.64/96,772.48 = 38,139.52/x
  3. Step 3: Cross multiply
    64,416.64x = 96,772.48 × 38,139.52
  4. Step 4: Simplify right side
    64,416.64x = 3,690,855,936.41
  5. Step 5: Solve for x
    x = 3,690,855,936.41/64,416.64
  6. Step 6: Final answer
    x = 57,296.62

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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.