Home / 117,472.29-162,110.02-66,494.69

Finding the Fourth Proportional to 117,472.29, 162,110.02 and 66,494.69

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Solution

The fourth proportional to 117,472.29, 162,110.02 and 66,494.69 is: 91,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,472.29 : 162,110.02 = 66,494.69 : x
  2. Step 2: Convert to fraction form
    117,472.29/162,110.02 = 66,494.69/x
  3. Step 3: Cross multiply
    117,472.29x = 162,110.02 × 66,494.69
  4. Step 4: Simplify right side
    117,472.29x = 10,779,454,715.24
  5. Step 5: Solve for x
    x = 10,779,454,715.24/117,472.29
  6. Step 6: Final answer
    x = 91,761.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.