Home / 76,470.60-114,722.10-23,158.20

Finding the Fourth Proportional to 76,470.60, 114,722.10 and 23,158.20

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Solution

The fourth proportional to 76,470.60, 114,722.10 and 23,158.20 is: 34,742.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,470.60 : 114,722.10 = 23,158.20 : x
  2. Step 2: Convert to fraction form
    76,470.60/114,722.10 = 23,158.20/x
  3. Step 3: Cross multiply
    76,470.60x = 114,722.10 × 23,158.20
  4. Step 4: Simplify right side
    76,470.60x = 2,656,757,336.22
  5. Step 5: Solve for x
    x = 2,656,757,336.22/76,470.60
  6. Step 6: Final answer
    x = 34,742.21

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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.