Home / 98,649.36-136,145.56-58,375.92

Finding the Fourth Proportional to 98,649.36, 136,145.56 and 58,375.92

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Solution

The fourth proportional to 98,649.36, 136,145.56 and 58,375.92 is: 80,564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,649.36 : 136,145.56 = 58,375.92 : x
  2. Step 2: Convert to fraction form
    98,649.36/136,145.56 = 58,375.92/x
  3. Step 3: Cross multiply
    98,649.36x = 136,145.56 × 58,375.92
  4. Step 4: Simplify right side
    98,649.36x = 7,947,622,318.92
  5. Step 5: Solve for x
    x = 7,947,622,318.92/98,649.36
  6. Step 6: Final answer
    x = 80,564.36

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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.