Home / 83,822.18-115,675.74-48,012.14

Finding the Fourth Proportional to 83,822.18, 115,675.74 and 48,012.14

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Solution

The fourth proportional to 83,822.18, 115,675.74 and 48,012.14 is: 66,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,822.18 : 115,675.74 = 48,012.14 : x
  2. Step 2: Convert to fraction form
    83,822.18/115,675.74 = 48,012.14/x
  3. Step 3: Cross multiply
    83,822.18x = 115,675.74 × 48,012.14
  4. Step 4: Simplify right side
    83,822.18x = 5,553,840,112.67
  5. Step 5: Solve for x
    x = 5,553,840,112.67/83,822.18
  6. Step 6: Final answer
    x = 66,257.41

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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.