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Finding the Fourth Proportional to 64,246.72, 88,685.97 and 43,554.97

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Solution

The fourth proportional to 64,246.72, 88,685.97 and 43,554.97 is: 60,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,246.72 : 88,685.97 = 43,554.97 : x
  2. Step 2: Convert to fraction form
    64,246.72/88,685.97 = 43,554.97/x
  3. Step 3: Cross multiply
    64,246.72x = 88,685.97 × 43,554.97
  4. Step 4: Simplify right side
    64,246.72x = 3,862,714,762.77
  5. Step 5: Solve for x
    x = 3,862,714,762.77/64,246.72
  6. Step 6: Final answer
    x = 60,123.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.