Home / 102,350.75-141,254.51-57,036.11

Finding the Fourth Proportional to 102,350.75, 141,254.51 and 57,036.11

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Solution

The fourth proportional to 102,350.75, 141,254.51 and 57,036.11 is: 78,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,350.75 : 141,254.51 = 57,036.11 : x
  2. Step 2: Convert to fraction form
    102,350.75/141,254.51 = 57,036.11/x
  3. Step 3: Cross multiply
    102,350.75x = 141,254.51 × 57,036.11
  4. Step 4: Simplify right side
    102,350.75x = 8,056,606,778.90
  5. Step 5: Solve for x
    x = 8,056,606,778.90/102,350.75
  6. Step 6: Final answer
    x = 78,715.66

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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.