Home / 61,454.52-92,139.24-31,395.48

Finding the Fourth Proportional to 61,454.52, 92,139.24 and 31,395.48

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Solution

The fourth proportional to 61,454.52, 92,139.24 and 31,395.48 is: 47,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,454.52 : 92,139.24 = 31,395.48 : x
  2. Step 2: Convert to fraction form
    61,454.52/92,139.24 = 31,395.48/x
  3. Step 3: Cross multiply
    61,454.52x = 92,139.24 × 31,395.48
  4. Step 4: Simplify right side
    61,454.52x = 2,892,755,666.64
  5. Step 5: Solve for x
    x = 2,892,755,666.64/61,454.52
  6. Step 6: Final answer
    x = 47,071.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.