Home / 98,037.17-135,293.97-55,019.30

Finding the Fourth Proportional to 98,037.17, 135,293.97 and 55,019.30

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Solution

The fourth proportional to 98,037.17, 135,293.97 and 55,019.30 is: 75,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,037.17 : 135,293.97 = 55,019.30 : x
  2. Step 2: Convert to fraction form
    98,037.17/135,293.97 = 55,019.30/x
  3. Step 3: Cross multiply
    98,037.17x = 135,293.97 × 55,019.30
  4. Step 4: Simplify right side
    98,037.17x = 7,443,778,847.15
  5. Step 5: Solve for x
    x = 7,443,778,847.15/98,037.17
  6. Step 6: Final answer
    x = 75,928.13

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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.