Home / 107,856.90-161,785.35-60,617.70

Finding the Fourth Proportional to 107,856.90, 161,785.35 and 60,617.70

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Solution

The fourth proportional to 107,856.90, 161,785.35 and 60,617.70 is: 90,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,856.90 : 161,785.35 = 60,617.70 : x
  2. Step 2: Convert to fraction form
    107,856.90/161,785.35 = 60,617.70/x
  3. Step 3: Cross multiply
    107,856.90x = 161,785.35 × 60,617.70
  4. Step 4: Simplify right side
    107,856.90x = 9,807,055,810.70
  5. Step 5: Solve for x
    x = 9,807,055,810.70/107,856.90
  6. Step 6: Final answer
    x = 90,926.55

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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.