Home / 125,619.66-173,355.05-69,031.04

Finding the Fourth Proportional to 125,619.66, 173,355.05 and 69,031.04

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Solution

The fourth proportional to 125,619.66, 173,355.05 and 69,031.04 is: 95,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,619.66 : 173,355.05 = 69,031.04 : x
  2. Step 2: Convert to fraction form
    125,619.66/173,355.05 = 69,031.04/x
  3. Step 3: Cross multiply
    125,619.66x = 173,355.05 × 69,031.04
  4. Step 4: Simplify right side
    125,619.66x = 11,966,878,696.55
  5. Step 5: Solve for x
    x = 11,966,878,696.55/125,619.66
  6. Step 6: Final answer
    x = 95,262.79

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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.