Home / 98,962.75-136,577.24-54,259.39

Finding the Fourth Proportional to 98,962.75, 136,577.24 and 54,259.39

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Solution

The fourth proportional to 98,962.75, 136,577.24 and 54,259.39 is: 74,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,962.75 : 136,577.24 = 54,259.39 : x
  2. Step 2: Convert to fraction form
    98,962.75/136,577.24 = 54,259.39/x
  3. Step 3: Cross multiply
    98,962.75x = 136,577.24 × 54,259.39
  4. Step 4: Simplify right side
    98,962.75x = 7,410,597,730.28
  5. Step 5: Solve for x
    x = 7,410,597,730.28/98,962.75
  6. Step 6: Final answer
    x = 74,882.70

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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.