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Finding the Fourth Proportional to 97,732.92, 134,840.52 and 57,433.80

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Solution

The fourth proportional to 97,732.92, 134,840.52 and 57,433.80 is: 79,240.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,732.92 : 134,840.52 = 57,433.80 : x
  2. Step 2: Convert to fraction form
    97,732.92/134,840.52 = 57,433.80/x
  3. Step 3: Cross multiply
    97,732.92x = 134,840.52 × 57,433.80
  4. Step 4: Simplify right side
    97,732.92x = 7,744,403,457.58
  5. Step 5: Solve for x
    x = 7,744,403,457.58/97,732.92
  6. Step 6: Final answer
    x = 79,240.48

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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.