Home / 125,726.24-173,503.44-69,138

Finding the Fourth Proportional to 125,726.24, 173,503.44 and 69,138

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Solution

The fourth proportional to 125,726.24, 173,503.44 and 69,138 is: 95,411.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,726.24 : 173,503.44 = 69,138 : x
  2. Step 2: Convert to fraction form
    125,726.24/173,503.44 = 69,138/x
  3. Step 3: Cross multiply
    125,726.24x = 173,503.44 × 69,138
  4. Step 4: Simplify right side
    125,726.24x = 11,995,680,834.72
  5. Step 5: Solve for x
    x = 11,995,680,834.72/125,726.24
  6. Step 6: Final answer
    x = 95,411.12

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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.