Home / 76,944.60-115,416.90-47,266.20

Finding the Fourth Proportional to 76,944.60, 115,416.90 and 47,266.20

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Solution

The fourth proportional to 76,944.60, 115,416.90 and 47,266.20 is: 70,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,944.60 : 115,416.90 = 47,266.20 : x
  2. Step 2: Convert to fraction form
    76,944.60/115,416.90 = 47,266.20/x
  3. Step 3: Cross multiply
    76,944.60x = 115,416.90 × 47,266.20
  4. Step 4: Simplify right side
    76,944.60x = 5,455,318,278.78
  5. Step 5: Solve for x
    x = 5,455,318,278.78/76,944.60
  6. Step 6: Final answer
    x = 70,899.30

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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.