Home / 113,731.60-170,641.38-47,154.64

Finding the Fourth Proportional to 113,731.60, 170,641.38 and 47,154.64

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Solution

The fourth proportional to 113,731.60, 170,641.38 and 47,154.64 is: 70,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,731.60 : 170,641.38 = 47,154.64 : x
  2. Step 2: Convert to fraction form
    113,731.60/170,641.38 = 47,154.64/x
  3. Step 3: Cross multiply
    113,731.60x = 170,641.38 × 47,154.64
  4. Step 4: Simplify right side
    113,731.60x = 8,046,532,843.00
  5. Step 5: Solve for x
    x = 8,046,532,843.00/113,731.60
  6. Step 6: Final answer
    x = 70,750.19

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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.