Home / 94,310.52-130,149.40-51,290.43

Finding the Fourth Proportional to 94,310.52, 130,149.40 and 51,290.43

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Solution

The fourth proportional to 94,310.52, 130,149.40 and 51,290.43 is: 70,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,310.52 : 130,149.40 = 51,290.43 : x
  2. Step 2: Convert to fraction form
    94,310.52/130,149.40 = 51,290.43/x
  3. Step 3: Cross multiply
    94,310.52x = 130,149.40 × 51,290.43
  4. Step 4: Simplify right side
    94,310.52x = 6,675,418,039.50
  5. Step 5: Solve for x
    x = 6,675,418,039.50/94,310.52
  6. Step 6: Final answer
    x = 70,781.27

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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.