Home / 125,069.22-172,604.61-71,355.42

Finding the Fourth Proportional to 125,069.22, 172,604.61 and 71,355.42

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Solution

The fourth proportional to 125,069.22, 172,604.61 and 71,355.42 is: 98,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,069.22 : 172,604.61 = 71,355.42 : x
  2. Step 2: Convert to fraction form
    125,069.22/172,604.61 = 71,355.42/x
  3. Step 3: Cross multiply
    125,069.22x = 172,604.61 × 71,355.42
  4. Step 4: Simplify right side
    125,069.22x = 12,316,274,440.49
  5. Step 5: Solve for x
    x = 12,316,274,440.49/125,069.22
  6. Step 6: Final answer
    x = 98,475.66

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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.