Home / 94,211.64-141,613.92-87,125.76

Finding the Fourth Proportional to 94,211.64, 141,613.92 and 87,125.76

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Solution

The fourth proportional to 94,211.64, 141,613.92 and 87,125.76 is: 130,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,211.64 : 141,613.92 = 87,125.76 : x
  2. Step 2: Convert to fraction form
    94,211.64/141,613.92 = 87,125.76/x
  3. Step 3: Cross multiply
    94,211.64x = 141,613.92 × 87,125.76
  4. Step 4: Simplify right side
    94,211.64x = 12,338,220,406.58
  5. Step 5: Solve for x
    x = 12,338,220,406.58/94,211.64
  6. Step 6: Final answer
    x = 130,962.80

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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.