Home / 113,790.80-170,613.30-47,257.40

Finding the Fourth Proportional to 113,790.80, 170,613.30 and 47,257.40

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Solution

The fourth proportional to 113,790.80, 170,613.30 and 47,257.40 is: 70,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,790.80 : 170,613.30 = 47,257.40 : x
  2. Step 2: Convert to fraction form
    113,790.80/170,613.30 = 47,257.40/x
  3. Step 3: Cross multiply
    113,790.80x = 170,613.30 × 47,257.40
  4. Step 4: Simplify right side
    113,790.80x = 8,062,740,963.42
  5. Step 5: Solve for x
    x = 8,062,740,963.42/113,790.80
  6. Step 6: Final answer
    x = 70,855.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.