Home / 99,466.15-149,200.80-55,373.16

Finding the Fourth Proportional to 99,466.15, 149,200.80 and 55,373.16

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Solution

The fourth proportional to 99,466.15, 149,200.80 and 55,373.16 is: 83,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,466.15 : 149,200.80 = 55,373.16 : x
  2. Step 2: Convert to fraction form
    99,466.15/149,200.80 = 55,373.16/x
  3. Step 3: Cross multiply
    99,466.15x = 149,200.80 × 55,373.16
  4. Step 4: Simplify right side
    99,466.15x = 8,261,719,024.52
  5. Step 5: Solve for x
    x = 8,261,719,024.52/99,466.15
  6. Step 6: Final answer
    x = 83,060.61

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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.