Home / 124,584.48-171,866.82-81,545.04

Finding the Fourth Proportional to 124,584.48, 171,866.82 and 81,545.04

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Solution

The fourth proportional to 124,584.48, 171,866.82 and 81,545.04 is: 112,493.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,584.48 : 171,866.82 = 81,545.04 : x
  2. Step 2: Convert to fraction form
    124,584.48/171,866.82 = 81,545.04/x
  3. Step 3: Cross multiply
    124,584.48x = 171,866.82 × 81,545.04
  4. Step 4: Simplify right side
    124,584.48x = 14,014,886,711.57
  5. Step 5: Solve for x
    x = 14,014,886,711.57/124,584.48
  6. Step 6: Final answer
    x = 112,493.04

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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.