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Finding the Fourth Proportional to 83,482.98, 125,164.98 and 39,085.44

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Solution

The fourth proportional to 83,482.98, 125,164.98 and 39,085.44 is: 58,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,482.98 : 125,164.98 = 39,085.44 : x
  2. Step 2: Convert to fraction form
    83,482.98/125,164.98 = 39,085.44/x
  3. Step 3: Cross multiply
    83,482.98x = 125,164.98 × 39,085.44
  4. Step 4: Simplify right side
    83,482.98x = 4,892,128,315.89
  5. Step 5: Solve for x
    x = 4,892,128,315.89/83,482.98
  6. Step 6: Final answer
    x = 58,600.31

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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.