Home / 125,982.50-173,850.09-72,264.14

Finding the Fourth Proportional to 125,982.50, 173,850.09 and 72,264.14

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Solution

The fourth proportional to 125,982.50, 173,850.09 and 72,264.14 is: 99,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,982.50 : 173,850.09 = 72,264.14 : x
  2. Step 2: Convert to fraction form
    125,982.50/173,850.09 = 72,264.14/x
  3. Step 3: Cross multiply
    125,982.50x = 173,850.09 × 72,264.14
  4. Step 4: Simplify right side
    125,982.50x = 12,563,127,242.77
  5. Step 5: Solve for x
    x = 12,563,127,242.77/125,982.50
  6. Step 6: Final answer
    x = 99,721.21

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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.