Home / 102,589.06-141,580.02-57,275.95

Finding the Fourth Proportional to 102,589.06, 141,580.02 and 57,275.95

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Solution

The fourth proportional to 102,589.06, 141,580.02 and 57,275.95 is: 79,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,589.06 : 141,580.02 = 57,275.95 : x
  2. Step 2: Convert to fraction form
    102,589.06/141,580.02 = 57,275.95/x
  3. Step 3: Cross multiply
    102,589.06x = 141,580.02 × 57,275.95
  4. Step 4: Simplify right side
    102,589.06x = 8,109,130,146.52
  5. Step 5: Solve for x
    x = 8,109,130,146.52/102,589.06
  6. Step 6: Final answer
    x = 79,044.78

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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.