Home / 98,099.73-135,373.55-55,660.59

Finding the Fourth Proportional to 98,099.73, 135,373.55 and 55,660.59

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Solution

The fourth proportional to 98,099.73, 135,373.55 and 55,660.59 is: 76,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,099.73 : 135,373.55 = 55,660.59 : x
  2. Step 2: Convert to fraction form
    98,099.73/135,373.55 = 55,660.59/x
  3. Step 3: Cross multiply
    98,099.73x = 135,373.55 × 55,660.59
  4. Step 4: Simplify right side
    98,099.73x = 7,534,971,385.09
  5. Step 5: Solve for x
    x = 7,534,971,385.09/98,099.73
  6. Step 6: Final answer
    x = 76,809.30

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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.