Home / 83,447.04-115,158.60-45,723.72

Finding the Fourth Proportional to 83,447.04, 115,158.60 and 45,723.72

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Solution

The fourth proportional to 83,447.04, 115,158.60 and 45,723.72 is: 63,099.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,447.04 : 115,158.60 = 45,723.72 : x
  2. Step 2: Convert to fraction form
    83,447.04/115,158.60 = 45,723.72/x
  3. Step 3: Cross multiply
    83,447.04x = 115,158.60 × 45,723.72
  4. Step 4: Simplify right side
    83,447.04x = 5,265,479,581.99
  5. Step 5: Solve for x
    x = 5,265,479,581.99/83,447.04
  6. Step 6: Final answer
    x = 63,099.66

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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.