Home / 81,339.24-112,248.02-45,536.15

Finding the Fourth Proportional to 81,339.24, 112,248.02 and 45,536.15

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Solution

The fourth proportional to 81,339.24, 112,248.02 and 45,536.15 is: 62,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,339.24 : 112,248.02 = 45,536.15 : x
  2. Step 2: Convert to fraction form
    81,339.24/112,248.02 = 45,536.15/x
  3. Step 3: Cross multiply
    81,339.24x = 112,248.02 × 45,536.15
  4. Step 4: Simplify right side
    81,339.24x = 5,111,341,887.00
  5. Step 5: Solve for x
    x = 5,111,341,887.00/81,339.24
  6. Step 6: Final answer
    x = 62,839.80

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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.