Home / 107,904.20-161,856.30-60,470.60

Finding the Fourth Proportional to 107,904.20, 161,856.30 and 60,470.60

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Solution

The fourth proportional to 107,904.20, 161,856.30 and 60,470.60 is: 90,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,904.20 : 161,856.30 = 60,470.60 : x
  2. Step 2: Convert to fraction form
    107,904.20/161,856.30 = 60,470.60/x
  3. Step 3: Cross multiply
    107,904.20x = 161,856.30 × 60,470.60
  4. Step 4: Simplify right side
    107,904.20x = 9,787,547,574.78
  5. Step 5: Solve for x
    x = 9,787,547,574.78/107,904.20
  6. Step 6: Final answer
    x = 90,705.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.