Home / 124,463.28-171,769.60-70,765.20

Finding the Fourth Proportional to 124,463.28, 171,769.60 and 70,765.20

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Solution

The fourth proportional to 124,463.28, 171,769.60 and 70,765.20 is: 97,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,463.28 : 171,769.60 = 70,765.20 : x
  2. Step 2: Convert to fraction form
    124,463.28/171,769.60 = 70,765.20/x
  3. Step 3: Cross multiply
    124,463.28x = 171,769.60 × 70,765.20
  4. Step 4: Simplify right side
    124,463.28x = 12,155,310,097.92
  5. Step 5: Solve for x
    x = 12,155,310,097.92/124,463.28
  6. Step 6: Final answer
    x = 97,661.82

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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.