Home / 98,412.38-135,795.39-55,966.22

Finding the Fourth Proportional to 98,412.38, 135,795.39 and 55,966.22

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Solution

The fourth proportional to 98,412.38, 135,795.39 and 55,966.22 is: 77,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,412.38 : 135,795.39 = 55,966.22 : x
  2. Step 2: Convert to fraction form
    98,412.38/135,795.39 = 55,966.22/x
  3. Step 3: Cross multiply
    98,412.38x = 135,795.39 × 55,966.22
  4. Step 4: Simplify right side
    98,412.38x = 7,599,954,671.73
  5. Step 5: Solve for x
    x = 7,599,954,671.73/98,412.38
  6. Step 6: Final answer
    x = 77,225.60

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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.