Home / 99,571.48-149,357.76-29,451.40

Finding the Fourth Proportional to 99,571.48, 149,357.76 and 29,451.40

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Solution

The fourth proportional to 99,571.48, 149,357.76 and 29,451.40 is: 44,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,571.48 : 149,357.76 = 29,451.40 : x
  2. Step 2: Convert to fraction form
    99,571.48/149,357.76 = 29,451.40/x
  3. Step 3: Cross multiply
    99,571.48x = 149,357.76 × 29,451.40
  4. Step 4: Simplify right side
    99,571.48x = 4,398,795,132.86
  5. Step 5: Solve for x
    x = 4,398,795,132.86/99,571.48
  6. Step 6: Final answer
    x = 44,177.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.