Home / 88,708.53-122,337.86-56,871.21

Finding the Fourth Proportional to 88,708.53, 122,337.86 and 56,871.21

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Solution

The fourth proportional to 88,708.53, 122,337.86 and 56,871.21 is: 78,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,708.53 : 122,337.86 = 56,871.21 : x
  2. Step 2: Convert to fraction form
    88,708.53/122,337.86 = 56,871.21/x
  3. Step 3: Cross multiply
    88,708.53x = 122,337.86 × 56,871.21
  4. Step 4: Simplify right side
    88,708.53x = 6,957,501,842.65
  5. Step 5: Solve for x
    x = 6,957,501,842.65/88,708.53
  6. Step 6: Final answer
    x = 78,431.04

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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.