Home / 85,729.79-118,306.98-48,004.04

Finding the Fourth Proportional to 85,729.79, 118,306.98 and 48,004.04

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Solution

The fourth proportional to 85,729.79, 118,306.98 and 48,004.04 is: 66,245.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,729.79 : 118,306.98 = 48,004.04 : x
  2. Step 2: Convert to fraction form
    85,729.79/118,306.98 = 48,004.04/x
  3. Step 3: Cross multiply
    85,729.79x = 118,306.98 × 48,004.04
  4. Step 4: Simplify right side
    85,729.79x = 5,679,213,295.97
  5. Step 5: Solve for x
    x = 5,679,213,295.97/85,729.79
  6. Step 6: Final answer
    x = 66,245.50

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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.