Home / 83,135.18-124,752.45-30,549.98

Finding the Fourth Proportional to 83,135.18, 124,752.45 and 30,549.98

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Solution

The fourth proportional to 83,135.18, 124,752.45 and 30,549.98 is: 45,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,135.18 : 124,752.45 = 30,549.98 : x
  2. Step 2: Convert to fraction form
    83,135.18/124,752.45 = 30,549.98/x
  3. Step 3: Cross multiply
    83,135.18x = 124,752.45 × 30,549.98
  4. Step 4: Simplify right side
    83,135.18x = 3,811,184,852.45
  5. Step 5: Solve for x
    x = 3,811,184,852.45/83,135.18
  6. Step 6: Final answer
    x = 45,843.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.