Home / 125,669.79-173,419.92-69,080.76

Finding the Fourth Proportional to 125,669.79, 173,419.92 and 69,080.76

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Solution

The fourth proportional to 125,669.79, 173,419.92 and 69,080.76 is: 95,329.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,669.79 : 173,419.92 = 69,080.76 : x
  2. Step 2: Convert to fraction form
    125,669.79/173,419.92 = 69,080.76/x
  3. Step 3: Cross multiply
    125,669.79x = 173,419.92 × 69,080.76
  4. Step 4: Simplify right side
    125,669.79x = 11,979,979,872.74
  5. Step 5: Solve for x
    x = 11,979,979,872.74/125,669.79
  6. Step 6: Final answer
    x = 95,329.04

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1.5x scale

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.