Home / 125,061.52-172,601.34-71,334.20

Finding the Fourth Proportional to 125,061.52, 172,601.34 and 71,334.20

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Solution

The fourth proportional to 125,061.52, 172,601.34 and 71,334.20 is: 98,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,061.52 : 172,601.34 = 71,334.20 : x
  2. Step 2: Convert to fraction form
    125,061.52/172,601.34 = 71,334.20/x
  3. Step 3: Cross multiply
    125,061.52x = 172,601.34 × 71,334.20
  4. Step 4: Simplify right side
    125,061.52x = 12,312,378,507.83
  5. Step 5: Solve for x
    x = 12,312,378,507.83/125,061.52
  6. Step 6: Final answer
    x = 98,450.57

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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.