Home / 126,061.03-173,964.21-69,472.40

Finding the Fourth Proportional to 126,061.03, 173,964.21 and 69,472.40

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Solution

The fourth proportional to 126,061.03, 173,964.21 and 69,472.40 is: 95,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,061.03 : 173,964.21 = 69,472.40 : x
  2. Step 2: Convert to fraction form
    126,061.03/173,964.21 = 69,472.40/x
  3. Step 3: Cross multiply
    126,061.03x = 173,964.21 × 69,472.40
  4. Step 4: Simplify right side
    126,061.03x = 12,085,711,617.18
  5. Step 5: Solve for x
    x = 12,085,711,617.18/126,061.03
  6. Step 6: Final answer
    x = 95,871.91

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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.