Home / 91,922.03-126,866.11-56,132.79

Finding the Fourth Proportional to 91,922.03, 126,866.11 and 56,132.79

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Solution

The fourth proportional to 91,922.03, 126,866.11 and 56,132.79 is: 77,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,922.03 : 126,866.11 = 56,132.79 : x
  2. Step 2: Convert to fraction form
    91,922.03/126,866.11 = 56,132.79/x
  3. Step 3: Cross multiply
    91,922.03x = 126,866.11 × 56,132.79
  4. Step 4: Simplify right side
    91,922.03x = 7,121,348,710.75
  5. Step 5: Solve for x
    x = 7,121,348,710.75/91,922.03
  6. Step 6: Final answer
    x = 77,471.62

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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.