Home / 107,613.12-148,503.88-59,865.44

Finding the Fourth Proportional to 107,613.12, 148,503.88 and 59,865.44

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Solution

The fourth proportional to 107,613.12, 148,503.88 and 59,865.44 is: 82,613.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,613.12 : 148,503.88 = 59,865.44 : x
  2. Step 2: Convert to fraction form
    107,613.12/148,503.88 = 59,865.44/x
  3. Step 3: Cross multiply
    107,613.12x = 148,503.88 × 59,865.44
  4. Step 4: Simplify right side
    107,613.12x = 8,890,250,117.91
  5. Step 5: Solve for x
    x = 8,890,250,117.91/107,613.12
  6. Step 6: Final answer
    x = 82,613.07

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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.