Home / 85,241.43-117,658.98-49,440.24

Finding the Fourth Proportional to 85,241.43, 117,658.98 and 49,440.24

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Solution

The fourth proportional to 85,241.43, 117,658.98 and 49,440.24 is: 68,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,241.43 : 117,658.98 = 49,440.24 : x
  2. Step 2: Convert to fraction form
    85,241.43/117,658.98 = 49,440.24/x
  3. Step 3: Cross multiply
    85,241.43x = 117,658.98 × 49,440.24
  4. Step 4: Simplify right side
    85,241.43x = 5,817,088,209.36
  5. Step 5: Solve for x
    x = 5,817,088,209.36/85,241.43
  6. Step 6: Final answer
    x = 68,242.50

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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.