Home / 83,389.37-115,077.15-45,148.73

Finding the Fourth Proportional to 83,389.37, 115,077.15 and 45,148.73

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Solution

The fourth proportional to 83,389.37, 115,077.15 and 45,148.73 is: 62,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,389.37 : 115,077.15 = 45,148.73 : x
  2. Step 2: Convert to fraction form
    83,389.37/115,077.15 = 45,148.73/x
  3. Step 3: Cross multiply
    83,389.37x = 115,077.15 × 45,148.73
  4. Step 4: Simplify right side
    83,389.37x = 5,195,586,599.13
  5. Step 5: Solve for x
    x = 5,195,586,599.13/83,389.37
  6. Step 6: Final answer
    x = 62,305.15

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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.