Home / 113,849.60-170,710.40-43,731.20

Finding the Fourth Proportional to 113,849.60, 170,710.40 and 43,731.20

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Solution

The fourth proportional to 113,849.60, 170,710.40 and 43,731.20 is: 65,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,849.60 : 170,710.40 = 43,731.20 : x
  2. Step 2: Convert to fraction form
    113,849.60/170,710.40 = 43,731.20/x
  3. Step 3: Cross multiply
    113,849.60x = 170,710.40 × 43,731.20
  4. Step 4: Simplify right side
    113,849.60x = 7,465,370,644.48
  5. Step 5: Solve for x
    x = 7,465,370,644.48/113,849.60
  6. Step 6: Final answer
    x = 65,572.22

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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.