Home / 48,905.64-67,489.20-27,689.04

Finding the Fourth Proportional to 48,905.64, 67,489.20 and 27,689.04

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Solution

The fourth proportional to 48,905.64, 67,489.20 and 27,689.04 is: 38,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,905.64 : 67,489.20 = 27,689.04 : x
  2. Step 2: Convert to fraction form
    48,905.64/67,489.20 = 27,689.04/x
  3. Step 3: Cross multiply
    48,905.64x = 67,489.20 × 27,689.04
  4. Step 4: Simplify right side
    48,905.64x = 1,868,711,158.37
  5. Step 5: Solve for x
    x = 1,868,711,158.37/48,905.64
  6. Step 6: Final answer
    x = 38,210.55

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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.