Home / 48,613.04-67,115.12-31,875.20

Finding the Fourth Proportional to 48,613.04, 67,115.12 and 31,875.20

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Solution

The fourth proportional to 48,613.04, 67,115.12 and 31,875.20 is: 44,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,613.04 : 67,115.12 = 31,875.20 : x
  2. Step 2: Convert to fraction form
    48,613.04/67,115.12 = 31,875.20/x
  3. Step 3: Cross multiply
    48,613.04x = 67,115.12 × 31,875.20
  4. Step 4: Simplify right side
    48,613.04x = 2,139,307,873.02
  5. Step 5: Solve for x
    x = 2,139,307,873.02/48,613.04
  6. Step 6: Final answer
    x = 44,006.87

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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.