Home / 99,612.48-149,436.60-33,040.20

Finding the Fourth Proportional to 99,612.48, 149,436.60 and 33,040.20

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Solution

The fourth proportional to 99,612.48, 149,436.60 and 33,040.20 is: 49,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,612.48 : 149,436.60 = 33,040.20 : x
  2. Step 2: Convert to fraction form
    99,612.48/149,436.60 = 33,040.20/x
  3. Step 3: Cross multiply
    99,612.48x = 149,436.60 × 33,040.20
  4. Step 4: Simplify right side
    99,612.48x = 4,937,415,151.32
  5. Step 5: Solve for x
    x = 4,937,415,151.32/99,612.48
  6. Step 6: Final answer
    x = 49,566.23

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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.