Home / 48,151.17-66,426.20-31,160.88

Finding the Fourth Proportional to 48,151.17, 66,426.20 and 31,160.88

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Solution

The fourth proportional to 48,151.17, 66,426.20 and 31,160.88 is: 42,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,151.17 : 66,426.20 = 31,160.88 : x
  2. Step 2: Convert to fraction form
    48,151.17/66,426.20 = 31,160.88/x
  3. Step 3: Cross multiply
    48,151.17x = 66,426.20 × 31,160.88
  4. Step 4: Simplify right side
    48,151.17x = 2,069,898,847.06
  5. Step 5: Solve for x
    x = 2,069,898,847.06/48,151.17
  6. Step 6: Final answer
    x = 42,987.51

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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.