Home / 102,829.38-141,872.25-57,501.24

Finding the Fourth Proportional to 102,829.38, 141,872.25 and 57,501.24

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Solution

The fourth proportional to 102,829.38, 141,872.25 and 57,501.24 is: 79,333.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,829.38 : 141,872.25 = 57,501.24 : x
  2. Step 2: Convert to fraction form
    102,829.38/141,872.25 = 57,501.24/x
  3. Step 3: Cross multiply
    102,829.38x = 141,872.25 × 57,501.24
  4. Step 4: Simplify right side
    102,829.38x = 8,157,830,296.59
  5. Step 5: Solve for x
    x = 8,157,830,296.59/102,829.38
  6. Step 6: Final answer
    x = 79,333.65

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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.