Home / 85,799.88-118,394.28-49,982.40

Finding the Fourth Proportional to 85,799.88, 118,394.28 and 49,982.40

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Solution

The fourth proportional to 85,799.88, 118,394.28 and 49,982.40 is: 68,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,799.88 : 118,394.28 = 49,982.40 : x
  2. Step 2: Convert to fraction form
    85,799.88/118,394.28 = 49,982.40/x
  3. Step 3: Cross multiply
    85,799.88x = 118,394.28 × 49,982.40
  4. Step 4: Simplify right side
    85,799.88x = 5,917,630,260.67
  5. Step 5: Solve for x
    x = 5,917,630,260.67/85,799.88
  6. Step 6: Final answer
    x = 68,970.15

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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.