Home / 48,149.17-66,423.44-31,158.88

Finding the Fourth Proportional to 48,149.17, 66,423.44 and 31,158.88

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Solution

The fourth proportional to 48,149.17, 66,423.44 and 31,158.88 is: 42,984.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,149.17 : 66,423.44 = 31,158.88 : x
  2. Step 2: Convert to fraction form
    48,149.17/66,423.44 = 31,158.88/x
  3. Step 3: Cross multiply
    48,149.17x = 66,423.44 × 31,158.88
  4. Step 4: Simplify right side
    48,149.17x = 2,069,679,907.99
  5. Step 5: Solve for x
    x = 2,069,679,907.99/48,149.17
  6. Step 6: Final answer
    x = 42,984.75

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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.