Home / 91,400.64-126,127.65-50,562.33

Finding the Fourth Proportional to 91,400.64, 126,127.65 and 50,562.33

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Solution

The fourth proportional to 91,400.64, 126,127.65 and 50,562.33 is: 69,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,400.64 : 126,127.65 = 50,562.33 : x
  2. Step 2: Convert to fraction form
    91,400.64/126,127.65 = 50,562.33/x
  3. Step 3: Cross multiply
    91,400.64x = 126,127.65 × 50,562.33
  4. Step 4: Simplify right side
    91,400.64x = 6,377,307,861.42
  5. Step 5: Solve for x
    x = 6,377,307,861.42/91,400.64
  6. Step 6: Final answer
    x = 69,773.12

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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.