Home / 76,899.60-115,349.40-24,325.20

Finding the Fourth Proportional to 76,899.60, 115,349.40 and 24,325.20

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Solution

The fourth proportional to 76,899.60, 115,349.40 and 24,325.20 is: 36,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,899.60 : 115,349.40 = 24,325.20 : x
  2. Step 2: Convert to fraction form
    76,899.60/115,349.40 = 24,325.20/x
  3. Step 3: Cross multiply
    76,899.60x = 115,349.40 × 24,325.20
  4. Step 4: Simplify right side
    76,899.60x = 2,805,897,224.88
  5. Step 5: Solve for x
    x = 2,805,897,224.88/76,899.60
  6. Step 6: Final answer
    x = 36,487.80

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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.