Home / 105,046.46-157,545.70-30,166.02

Finding the Fourth Proportional to 105,046.46, 157,545.70 and 30,166.02

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Solution

The fourth proportional to 105,046.46, 157,545.70 and 30,166.02 is: 45,242.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,046.46 : 157,545.70 = 30,166.02 : x
  2. Step 2: Convert to fraction form
    105,046.46/157,545.70 = 30,166.02/x
  3. Step 3: Cross multiply
    105,046.46x = 157,545.70 × 30,166.02
  4. Step 4: Simplify right side
    105,046.46x = 4,752,526,737.11
  5. Step 5: Solve for x
    x = 4,752,526,737.11/105,046.46
  6. Step 6: Final answer
    x = 45,242.14

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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.