Home / 125,618.48-173,356.68-69,031.28

Finding the Fourth Proportional to 125,618.48, 173,356.68 and 69,031.28

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Solution

The fourth proportional to 125,618.48, 173,356.68 and 69,031.28 is: 95,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,618.48 : 173,356.68 = 69,031.28 : x
  2. Step 2: Convert to fraction form
    125,618.48/173,356.68 = 69,031.28/x
  3. Step 3: Cross multiply
    125,618.48x = 173,356.68 × 69,031.28
  4. Step 4: Simplify right side
    125,618.48x = 11,967,033,516.95
  5. Step 5: Solve for x
    x = 11,967,033,516.95/125,618.48
  6. Step 6: Final answer
    x = 95,264.91

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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.