Home / 124,488.31-171,795.92-67,899.69

Finding the Fourth Proportional to 124,488.31, 171,795.92 and 67,899.69

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Solution

The fourth proportional to 124,488.31, 171,795.92 and 67,899.69 is: 93,702.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,488.31 : 171,795.92 = 67,899.69 : x
  2. Step 2: Convert to fraction form
    124,488.31/171,795.92 = 67,899.69/x
  3. Step 3: Cross multiply
    124,488.31x = 171,795.92 × 67,899.69
  4. Step 4: Simplify right side
    124,488.31x = 11,664,889,711.26
  5. Step 5: Solve for x
    x = 11,664,889,711.26/124,488.31
  6. Step 6: Final answer
    x = 93,702.69

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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.