Home / 99,001.44-136,621.14-55,989.38

Finding the Fourth Proportional to 99,001.44, 136,621.14 and 55,989.38

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Solution

The fourth proportional to 99,001.44, 136,621.14 and 55,989.38 is: 77,264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,001.44 : 136,621.14 = 55,989.38 : x
  2. Step 2: Convert to fraction form
    99,001.44/136,621.14 = 55,989.38/x
  3. Step 3: Cross multiply
    99,001.44x = 136,621.14 × 55,989.38
  4. Step 4: Simplify right side
    99,001.44x = 7,649,332,240.39
  5. Step 5: Solve for x
    x = 7,649,332,240.39/99,001.44
  6. Step 6: Final answer
    x = 77,264.86

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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.