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Finding the Fourth Proportional to 64,502.36, 96,781.08 and 34,885.52

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Solution

The fourth proportional to 64,502.36, 96,781.08 and 34,885.52 is: 52,343.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,502.36 : 96,781.08 = 34,885.52 : x
  2. Step 2: Convert to fraction form
    64,502.36/96,781.08 = 34,885.52/x
  3. Step 3: Cross multiply
    64,502.36x = 96,781.08 × 34,885.52
  4. Step 4: Simplify right side
    64,502.36x = 3,376,258,301.96
  5. Step 5: Solve for x
    x = 3,376,258,301.96/64,502.36
  6. Step 6: Final answer
    x = 52,343.17

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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.