Home / 48,150.17-66,424.82-31,159.88

Finding the Fourth Proportional to 48,150.17, 66,424.82 and 31,159.88

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Solution

The fourth proportional to 48,150.17, 66,424.82 and 31,159.88 is: 42,986.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,150.17 : 66,424.82 = 31,159.88 : x
  2. Step 2: Convert to fraction form
    48,150.17/66,424.82 = 31,159.88/x
  3. Step 3: Cross multiply
    48,150.17x = 66,424.82 × 31,159.88
  4. Step 4: Simplify right side
    48,150.17x = 2,069,789,420.22
  5. Step 5: Solve for x
    x = 2,069,789,420.22/48,150.17
  6. Step 6: Final answer
    x = 42,986.13

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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.