Home / 48,613.40-67,117.45-39,682.14

Finding the Fourth Proportional to 48,613.40, 67,117.45 and 39,682.14

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Solution

The fourth proportional to 48,613.40, 67,117.45 and 39,682.14 is: 54,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,613.40 : 67,117.45 = 39,682.14 : x
  2. Step 2: Convert to fraction form
    48,613.40/67,117.45 = 39,682.14/x
  3. Step 3: Cross multiply
    48,613.40x = 67,117.45 × 39,682.14
  4. Step 4: Simplify right side
    48,613.40x = 2,663,363,711.76
  5. Step 5: Solve for x
    x = 2,663,363,711.76/48,613.40
  6. Step 6: Final answer
    x = 54,786.62

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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.