Home / 75,671.31-113,226.72-47,365.86

Finding the Fourth Proportional to 75,671.31, 113,226.72 and 47,365.86

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Solution

The fourth proportional to 75,671.31, 113,226.72 and 47,365.86 is: 70,873.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,671.31 : 113,226.72 = 47,365.86 : x
  2. Step 2: Convert to fraction form
    75,671.31/113,226.72 = 47,365.86/x
  3. Step 3: Cross multiply
    75,671.31x = 113,226.72 × 47,365.86
  4. Step 4: Simplify right side
    75,671.31x = 5,363,080,967.78
  5. Step 5: Solve for x
    x = 5,363,080,967.78/75,671.31
  6. Step 6: Final answer
    x = 70,873.37

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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.