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Finding the Fourth Proportional to 64,283.76, 96,412.68 and 34,696.08

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Solution

The fourth proportional to 64,283.76, 96,412.68 and 34,696.08 is: 52,037.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,283.76 : 96,412.68 = 34,696.08 : x
  2. Step 2: Convert to fraction form
    64,283.76/96,412.68 = 34,696.08/x
  3. Step 3: Cross multiply
    64,283.76x = 96,412.68 × 34,696.08
  4. Step 4: Simplify right side
    64,283.76x = 3,345,142,058.29
  5. Step 5: Solve for x
    x = 3,345,142,058.29/64,283.76
  6. Step 6: Final answer
    x = 52,037.13

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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.