Home / 91,861.04-126,768.20-52,117.04

Finding the Fourth Proportional to 91,861.04, 126,768.20 and 52,117.04

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Solution

The fourth proportional to 91,861.04, 126,768.20 and 52,117.04 is: 71,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,861.04 : 126,768.20 = 52,117.04 : x
  2. Step 2: Convert to fraction form
    91,861.04/126,768.20 = 52,117.04/x
  3. Step 3: Cross multiply
    91,861.04x = 126,768.20 × 52,117.04
  4. Step 4: Simplify right side
    91,861.04x = 6,606,783,350.13
  5. Step 5: Solve for x
    x = 6,606,783,350.13/91,861.04
  6. Step 6: Final answer
    x = 71,921.50

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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.