Home / 85,738.80-118,319.52-47,500.83

Finding the Fourth Proportional to 85,738.80, 118,319.52 and 47,500.83

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Solution

The fourth proportional to 85,738.80, 118,319.52 and 47,500.83 is: 65,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,738.80 : 118,319.52 = 47,500.83 : x
  2. Step 2: Convert to fraction form
    85,738.80/118,319.52 = 47,500.83/x
  3. Step 3: Cross multiply
    85,738.80x = 118,319.52 × 47,500.83
  4. Step 4: Simplify right side
    85,738.80x = 5,620,275,405.20
  5. Step 5: Solve for x
    x = 5,620,275,405.20/85,738.80
  6. Step 6: Final answer
    x = 65,551.13

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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.