Home / 48,129.92-66,421.36-26,909.18

Finding the Fourth Proportional to 48,129.92, 66,421.36 and 26,909.18

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Solution

The fourth proportional to 48,129.92, 66,421.36 and 26,909.18 is: 37,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.92 : 66,421.36 = 26,909.18 : x
  2. Step 2: Convert to fraction form
    48,129.92/66,421.36 = 26,909.18/x
  3. Step 3: Cross multiply
    48,129.92x = 66,421.36 × 26,909.18
  4. Step 4: Simplify right side
    48,129.92x = 1,787,344,332.08
  5. Step 5: Solve for x
    x = 1,787,344,332.08/48,129.92
  6. Step 6: Final answer
    x = 37,135.83

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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.