Home / 113,756.30-156,982.62-62,769.50

Finding the Fourth Proportional to 113,756.30, 156,982.62 and 62,769.50

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Solution

The fourth proportional to 113,756.30, 156,982.62 and 62,769.50 is: 86,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,756.30 : 156,982.62 = 62,769.50 : x
  2. Step 2: Convert to fraction form
    113,756.30/156,982.62 = 62,769.50/x
  3. Step 3: Cross multiply
    113,756.30x = 156,982.62 × 62,769.50
  4. Step 4: Simplify right side
    113,756.30x = 9,853,720,566.09
  5. Step 5: Solve for x
    x = 9,853,720,566.09/113,756.30
  6. Step 6: Final answer
    x = 86,621.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.