Home / 85,586.40-118,107-47,344.95

Finding the Fourth Proportional to 85,586.40, 118,107 and 47,344.95

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Solution

The fourth proportional to 85,586.40, 118,107 and 47,344.95 is: 65,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,586.40 : 118,107 = 47,344.95 : x
  2. Step 2: Convert to fraction form
    85,586.40/118,107 = 47,344.95/x
  3. Step 3: Cross multiply
    85,586.40x = 118,107 × 47,344.95
  4. Step 4: Simplify right side
    85,586.40x = 5,591,770,009.65
  5. Step 5: Solve for x
    x = 5,591,770,009.65/85,586.40
  6. Step 6: Final answer
    x = 65,334.80

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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.