Home / 76,901.60-115,352.40-24,327.20

Finding the Fourth Proportional to 76,901.60, 115,352.40 and 24,327.20

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Solution

The fourth proportional to 76,901.60, 115,352.40 and 24,327.20 is: 36,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,901.60 : 115,352.40 = 24,327.20 : x
  2. Step 2: Convert to fraction form
    76,901.60/115,352.40 = 24,327.20/x
  3. Step 3: Cross multiply
    76,901.60x = 115,352.40 × 24,327.20
  4. Step 4: Simplify right side
    76,901.60x = 2,806,200,905.28
  5. Step 5: Solve for x
    x = 2,806,200,905.28/76,901.60
  6. Step 6: Final answer
    x = 36,490.80

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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.