Home / 102,545.81-153,834.09-35,974.22

Finding the Fourth Proportional to 102,545.81, 153,834.09 and 35,974.22

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Solution

The fourth proportional to 102,545.81, 153,834.09 and 35,974.22 is: 53,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,545.81 : 153,834.09 = 35,974.22 : x
  2. Step 2: Convert to fraction form
    102,545.81/153,834.09 = 35,974.22/x
  3. Step 3: Cross multiply
    102,545.81x = 153,834.09 × 35,974.22
  4. Step 4: Simplify right side
    102,545.81x = 5,534,060,627.99
  5. Step 5: Solve for x
    x = 5,534,060,627.99/102,545.81
  6. Step 6: Final answer
    x = 53,966.72

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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.