Home / 125,063.28-187,547.07-61,861.71

Finding the Fourth Proportional to 125,063.28, 187,547.07 and 61,861.71

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Solution

The fourth proportional to 125,063.28, 187,547.07 and 61,861.71 is: 92,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,063.28 : 187,547.07 = 61,861.71 : x
  2. Step 2: Convert to fraction form
    125,063.28/187,547.07 = 61,861.71/x
  3. Step 3: Cross multiply
    125,063.28x = 187,547.07 × 61,861.71
  4. Step 4: Simplify right side
    125,063.28x = 11,601,982,455.69
  5. Step 5: Solve for x
    x = 11,601,982,455.69/125,063.28
  6. Step 6: Final answer
    x = 92,768.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.