Home / 125,104.56-172,601.44-71,350.93

Finding the Fourth Proportional to 125,104.56, 172,601.44 and 71,350.93

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Solution

The fourth proportional to 125,104.56, 172,601.44 and 71,350.93 is: 98,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,104.56 : 172,601.44 = 71,350.93 : x
  2. Step 2: Convert to fraction form
    125,104.56/172,601.44 = 71,350.93/x
  3. Step 3: Cross multiply
    125,104.56x = 172,601.44 × 71,350.93
  4. Step 4: Simplify right side
    125,104.56x = 12,315,273,263.34
  5. Step 5: Solve for x
    x = 12,315,273,263.34/125,104.56
  6. Step 6: Final answer
    x = 98,439.84

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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.