Home / 54,116.28-74,690.10-31,462.47

Finding the Fourth Proportional to 54,116.28, 74,690.10 and 31,462.47

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Solution

The fourth proportional to 54,116.28, 74,690.10 and 31,462.47 is: 43,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,116.28 : 74,690.10 = 31,462.47 : x
  2. Step 2: Convert to fraction form
    54,116.28/74,690.10 = 31,462.47/x
  3. Step 3: Cross multiply
    54,116.28x = 74,690.10 × 31,462.47
  4. Step 4: Simplify right side
    54,116.28x = 2,349,935,030.55
  5. Step 5: Solve for x
    x = 2,349,935,030.55/54,116.28
  6. Step 6: Final answer
    x = 43,423.81

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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.