Home / 98,220.29-135,560.43-57,944.04

Finding the Fourth Proportional to 98,220.29, 135,560.43 and 57,944.04

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Solution

The fourth proportional to 98,220.29, 135,560.43 and 57,944.04 is: 79,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,220.29 : 135,560.43 = 57,944.04 : x
  2. Step 2: Convert to fraction form
    98,220.29/135,560.43 = 57,944.04/x
  3. Step 3: Cross multiply
    98,220.29x = 135,560.43 × 57,944.04
  4. Step 4: Simplify right side
    98,220.29x = 7,854,918,978.34
  5. Step 5: Solve for x
    x = 7,854,918,978.34/98,220.29
  6. Step 6: Final answer
    x = 79,972.47

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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.