Home / 88,687.60-133,031.40-62,115.55

Finding the Fourth Proportional to 88,687.60, 133,031.40 and 62,115.55

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Solution

The fourth proportional to 88,687.60, 133,031.40 and 62,115.55 is: 93,173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,687.60 : 133,031.40 = 62,115.55 : x
  2. Step 2: Convert to fraction form
    88,687.60/133,031.40 = 62,115.55/x
  3. Step 3: Cross multiply
    88,687.60x = 133,031.40 × 62,115.55
  4. Step 4: Simplify right side
    88,687.60x = 8,263,318,578.27
  5. Step 5: Solve for x
    x = 8,263,318,578.27/88,687.60
  6. Step 6: Final answer
    x = 93,173.33

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1.5x scale

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.