Home / 111,869.13-167,862.06-45,358.41

Finding the Fourth Proportional to 111,869.13, 167,862.06 and 45,358.41

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Solution

The fourth proportional to 111,869.13, 167,862.06 and 45,358.41 is: 68,061.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,869.13 : 167,862.06 = 45,358.41 : x
  2. Step 2: Convert to fraction form
    111,869.13/167,862.06 = 45,358.41/x
  3. Step 3: Cross multiply
    111,869.13x = 167,862.06 × 45,358.41
  4. Step 4: Simplify right side
    111,869.13x = 7,613,956,140.92
  5. Step 5: Solve for x
    x = 7,613,956,140.92/111,869.13
  6. Step 6: Final answer
    x = 68,061.28

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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.