Home / 85,759.20-118,347.12-48,031.20

Finding the Fourth Proportional to 85,759.20, 118,347.12 and 48,031.20

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Solution

The fourth proportional to 85,759.20, 118,347.12 and 48,031.20 is: 66,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,759.20 : 118,347.12 = 48,031.20 : x
  2. Step 2: Convert to fraction form
    85,759.20/118,347.12 = 48,031.20/x
  3. Step 3: Cross multiply
    85,759.20x = 118,347.12 × 48,031.20
  4. Step 4: Simplify right side
    85,759.20x = 5,684,354,190.14
  5. Step 5: Solve for x
    x = 5,684,354,190.14/85,759.20
  6. Step 6: Final answer
    x = 66,282.73

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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.