Home / 91,599.62-126,469.19-57,196.75

Finding the Fourth Proportional to 91,599.62, 126,469.19 and 57,196.75

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Solution

The fourth proportional to 91,599.62, 126,469.19 and 57,196.75 is: 78,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,599.62 : 126,469.19 = 57,196.75 : x
  2. Step 2: Convert to fraction form
    91,599.62/126,469.19 = 57,196.75/x
  3. Step 3: Cross multiply
    91,599.62x = 126,469.19 × 57,196.75
  4. Step 4: Simplify right side
    91,599.62x = 7,233,626,643.13
  5. Step 5: Solve for x
    x = 7,233,626,643.13/91,599.62
  6. Step 6: Final answer
    x = 78,970.05

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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.