Home / 102,530.17-141,434.77-60,080.50

Finding the Fourth Proportional to 102,530.17, 141,434.77 and 60,080.50

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Solution

The fourth proportional to 102,530.17, 141,434.77 and 60,080.50 is: 82,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,530.17 : 141,434.77 = 60,080.50 : x
  2. Step 2: Convert to fraction form
    102,530.17/141,434.77 = 60,080.50/x
  3. Step 3: Cross multiply
    102,530.17x = 141,434.77 × 60,080.50
  4. Step 4: Simplify right side
    102,530.17x = 8,497,471,195.20
  5. Step 5: Solve for x
    x = 8,497,471,195.20/102,530.17
  6. Step 6: Final answer
    x = 82,877.77

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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.