Home / 124,605.74-186,717.22-84,572.71

Finding the Fourth Proportional to 124,605.74, 186,717.22 and 84,572.71

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Solution

The fourth proportional to 124,605.74, 186,717.22 and 84,572.71 is: 126,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,605.74 : 186,717.22 = 84,572.71 : x
  2. Step 2: Convert to fraction form
    124,605.74/186,717.22 = 84,572.71/x
  3. Step 3: Cross multiply
    124,605.74x = 186,717.22 × 84,572.71
  4. Step 4: Simplify right side
    124,605.74x = 15,791,180,620.84
  5. Step 5: Solve for x
    x = 15,791,180,620.84/124,605.74
  6. Step 6: Final answer
    x = 126,729.16

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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.