Home / 113,869.30-170,711.64-47,359.20

Finding the Fourth Proportional to 113,869.30, 170,711.64 and 47,359.20

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Solution

The fourth proportional to 113,869.30, 170,711.64 and 47,359.20 is: 71,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,869.30 : 170,711.64 = 47,359.20 : x
  2. Step 2: Convert to fraction form
    113,869.30/170,711.64 = 47,359.20/x
  3. Step 3: Cross multiply
    113,869.30x = 170,711.64 × 47,359.20
  4. Step 4: Simplify right side
    113,869.30x = 8,084,766,701.09
  5. Step 5: Solve for x
    x = 8,084,766,701.09/113,869.30
  6. Step 6: Final answer
    x = 71,000.41

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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.