Home / 60,785.40-91,178.10-51,162.60

Finding the Fourth Proportional to 60,785.40, 91,178.10 and 51,162.60

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Solution

The fourth proportional to 60,785.40, 91,178.10 and 51,162.60 is: 76,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,785.40 : 91,178.10 = 51,162.60 : x
  2. Step 2: Convert to fraction form
    60,785.40/91,178.10 = 51,162.60/x
  3. Step 3: Cross multiply
    60,785.40x = 91,178.10 × 51,162.60
  4. Step 4: Simplify right side
    60,785.40x = 4,664,908,659.06
  5. Step 5: Solve for x
    x = 4,664,908,659.06/60,785.40
  6. Step 6: Final answer
    x = 76,743.90

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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.