Home / 98,757.76-136,280.48-54,037.12

Finding the Fourth Proportional to 98,757.76, 136,280.48 and 54,037.12

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Solution

The fourth proportional to 98,757.76, 136,280.48 and 54,037.12 is: 74,568.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,757.76 : 136,280.48 = 54,037.12 : x
  2. Step 2: Convert to fraction form
    98,757.76/136,280.48 = 54,037.12/x
  3. Step 3: Cross multiply
    98,757.76x = 136,280.48 × 54,037.12
  4. Step 4: Simplify right side
    98,757.76x = 7,364,204,651.42
  5. Step 5: Solve for x
    x = 7,364,204,651.42/98,757.76
  6. Step 6: Final answer
    x = 74,568.36

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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.