Home / 105,834.76-158,761.50-39,275.64

Finding the Fourth Proportional to 105,834.76, 158,761.50 and 39,275.64

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Solution

The fourth proportional to 105,834.76, 158,761.50 and 39,275.64 is: 58,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,834.76 : 158,761.50 = 39,275.64 : x
  2. Step 2: Convert to fraction form
    105,834.76/158,761.50 = 39,275.64/x
  3. Step 3: Cross multiply
    105,834.76x = 158,761.50 × 39,275.64
  4. Step 4: Simplify right side
    105,834.76x = 6,235,459,519.86
  5. Step 5: Solve for x
    x = 6,235,459,519.86/105,834.76
  6. Step 6: Final answer
    x = 58,916.93

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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.