Home / 91,778.50-126,726.01-59,528.45

Finding the Fourth Proportional to 91,778.50, 126,726.01 and 59,528.45

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Solution

The fourth proportional to 91,778.50, 126,726.01 and 59,528.45 is: 82,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,778.50 : 126,726.01 = 59,528.45 : x
  2. Step 2: Convert to fraction form
    91,778.50/126,726.01 = 59,528.45/x
  3. Step 3: Cross multiply
    91,778.50x = 126,726.01 × 59,528.45
  4. Step 4: Simplify right side
    91,778.50x = 7,543,802,949.98
  5. Step 5: Solve for x
    x = 7,543,802,949.98/91,778.50
  6. Step 6: Final answer
    x = 82,195.75

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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.