Home / 83,450.91-115,170.50-47,646.30

Finding the Fourth Proportional to 83,450.91, 115,170.50 and 47,646.30

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Solution

The fourth proportional to 83,450.91, 115,170.50 and 47,646.30 is: 65,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,450.91 : 115,170.50 = 47,646.30 : x
  2. Step 2: Convert to fraction form
    83,450.91/115,170.50 = 47,646.30/x
  3. Step 3: Cross multiply
    83,450.91x = 115,170.50 × 47,646.30
  4. Step 4: Simplify right side
    83,450.91x = 5,487,448,086.23
  5. Step 5: Solve for x
    x = 5,487,448,086.23/83,450.91
  6. Step 6: Final answer
    x = 65,756.60

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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.