Home / 103,711.10-143,139.17-60,097.53

Finding the Fourth Proportional to 103,711.10, 143,139.17 and 60,097.53

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Solution

The fourth proportional to 103,711.10, 143,139.17 and 60,097.53 is: 82,944.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,711.10 : 143,139.17 = 60,097.53 : x
  2. Step 2: Convert to fraction form
    103,711.10/143,139.17 = 60,097.53/x
  3. Step 3: Cross multiply
    103,711.10x = 143,139.17 × 60,097.53
  4. Step 4: Simplify right side
    103,711.10x = 8,602,310,262.76
  5. Step 5: Solve for x
    x = 8,602,310,262.76/103,711.10
  6. Step 6: Final answer
    x = 82,944.94

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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.