Home / 124,705.68-187,052.88-45,814.14

Finding the Fourth Proportional to 124,705.68, 187,052.88 and 45,814.14

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Solution

The fourth proportional to 124,705.68, 187,052.88 and 45,814.14 is: 68,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,705.68 : 187,052.88 = 45,814.14 : x
  2. Step 2: Convert to fraction form
    124,705.68/187,052.88 = 45,814.14/x
  3. Step 3: Cross multiply
    124,705.68x = 187,052.88 × 45,814.14
  4. Step 4: Simplify right side
    124,705.68x = 8,569,666,831.72
  5. Step 5: Solve for x
    x = 8,569,666,831.72/124,705.68
  6. Step 6: Final answer
    x = 68,719.14

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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.