Home / 105,442.17-158,061.66-38,845.92

Finding the Fourth Proportional to 105,442.17, 158,061.66 and 38,845.92

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Solution

The fourth proportional to 105,442.17, 158,061.66 and 38,845.92 is: 58,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,442.17 : 158,061.66 = 38,845.92 : x
  2. Step 2: Convert to fraction form
    105,442.17/158,061.66 = 38,845.92/x
  3. Step 3: Cross multiply
    105,442.17x = 158,061.66 × 38,845.92
  4. Step 4: Simplify right side
    105,442.17x = 6,140,050,599.43
  5. Step 5: Solve for x
    x = 6,140,050,599.43/105,442.17
  6. Step 6: Final answer
    x = 58,231.45

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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.