Home / 102,209.52-141,068.60-57,497.52

Finding the Fourth Proportional to 102,209.52, 141,068.60 and 57,497.52

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Solution

The fourth proportional to 102,209.52, 141,068.60 and 57,497.52 is: 79,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,209.52 : 141,068.60 = 57,497.52 : x
  2. Step 2: Convert to fraction form
    102,209.52/141,068.60 = 57,497.52/x
  3. Step 3: Cross multiply
    102,209.52x = 141,068.60 × 57,497.52
  4. Step 4: Simplify right side
    102,209.52x = 8,111,094,649.87
  5. Step 5: Solve for x
    x = 8,111,094,649.87/102,209.52
  6. Step 6: Final answer
    x = 79,357.53

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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.