Home / 81,360.30-112,264.26-45,551.82

Finding the Fourth Proportional to 81,360.30, 112,264.26 and 45,551.82

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Solution

The fourth proportional to 81,360.30, 112,264.26 and 45,551.82 is: 62,854.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,360.30 : 112,264.26 = 45,551.82 : x
  2. Step 2: Convert to fraction form
    81,360.30/112,264.26 = 45,551.82/x
  3. Step 3: Cross multiply
    81,360.30x = 112,264.26 × 45,551.82
  4. Step 4: Simplify right side
    81,360.30x = 5,113,841,363.95
  5. Step 5: Solve for x
    x = 5,113,841,363.95/81,360.30
  6. Step 6: Final answer
    x = 62,854.26

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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.