Home / 83,865.24-115,734.90-48,054.48

Finding the Fourth Proportional to 83,865.24, 115,734.90 and 48,054.48

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Solution

The fourth proportional to 83,865.24, 115,734.90 and 48,054.48 is: 66,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,865.24 : 115,734.90 = 48,054.48 : x
  2. Step 2: Convert to fraction form
    83,865.24/115,734.90 = 48,054.48/x
  3. Step 3: Cross multiply
    83,865.24x = 115,734.90 × 48,054.48
  4. Step 4: Simplify right side
    83,865.24x = 5,561,580,437.35
  5. Step 5: Solve for x
    x = 5,561,580,437.35/83,865.24
  6. Step 6: Final answer
    x = 66,315.68

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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.