Home / 83,396.56-115,086.04-45,670.80

Finding the Fourth Proportional to 83,396.56, 115,086.04 and 45,670.80

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Solution

The fourth proportional to 83,396.56, 115,086.04 and 45,670.80 is: 63,025.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,396.56 : 115,086.04 = 45,670.80 : x
  2. Step 2: Convert to fraction form
    83,396.56/115,086.04 = 45,670.80/x
  3. Step 3: Cross multiply
    83,396.56x = 115,086.04 × 45,670.80
  4. Step 4: Simplify right side
    83,396.56x = 5,256,071,515.63
  5. Step 5: Solve for x
    x = 5,256,071,515.63/83,396.56
  6. Step 6: Final answer
    x = 63,025.04

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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.