Home / 83,651.02-115,439.30-45,410.92

Finding the Fourth Proportional to 83,651.02, 115,439.30 and 45,410.92

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Solution

The fourth proportional to 83,651.02, 115,439.30 and 45,410.92 is: 62,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,651.02 : 115,439.30 = 45,410.92 : x
  2. Step 2: Convert to fraction form
    83,651.02/115,439.30 = 45,410.92/x
  3. Step 3: Cross multiply
    83,651.02x = 115,439.30 × 45,410.92
  4. Step 4: Simplify right side
    83,651.02x = 5,242,204,817.16
  5. Step 5: Solve for x
    x = 5,242,204,817.16/83,651.02
  6. Step 6: Final answer
    x = 62,667.55

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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.