Home / 61,705.12-85,148.40-34,843.90

Finding the Fourth Proportional to 61,705.12, 85,148.40 and 34,843.90

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Solution

The fourth proportional to 61,705.12, 85,148.40 and 34,843.90 is: 48,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,705.12 : 85,148.40 = 34,843.90 : x
  2. Step 2: Convert to fraction form
    61,705.12/85,148.40 = 34,843.90/x
  3. Step 3: Cross multiply
    61,705.12x = 85,148.40 × 34,843.90
  4. Step 4: Simplify right side
    61,705.12x = 2,966,902,334.76
  5. Step 5: Solve for x
    x = 2,966,902,334.76/61,705.12
  6. Step 6: Final answer
    x = 48,081.95

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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.