Home / 83,962.89-115,870.31-45,723.57

Finding the Fourth Proportional to 83,962.89, 115,870.31 and 45,723.57

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Solution

The fourth proportional to 83,962.89, 115,870.31 and 45,723.57 is: 63,099.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,962.89 : 115,870.31 = 45,723.57 : x
  2. Step 2: Convert to fraction form
    83,962.89/115,870.31 = 45,723.57/x
  3. Step 3: Cross multiply
    83,962.89x = 115,870.31 × 45,723.57
  4. Step 4: Simplify right side
    83,962.89x = 5,298,004,001.59
  5. Step 5: Solve for x
    x = 5,298,004,001.59/83,962.89
  6. Step 6: Final answer
    x = 63,099.35

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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.