Home / 74,871.07-112,306.97-30,498.26

Finding the Fourth Proportional to 74,871.07, 112,306.97 and 30,498.26

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Solution

The fourth proportional to 74,871.07, 112,306.97 and 30,498.26 is: 45,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,871.07 : 112,306.97 = 30,498.26 : x
  2. Step 2: Convert to fraction form
    74,871.07/112,306.97 = 30,498.26/x
  3. Step 3: Cross multiply
    74,871.07x = 112,306.97 × 30,498.26
  4. Step 4: Simplify right side
    74,871.07x = 3,425,166,685.58
  5. Step 5: Solve for x
    x = 3,425,166,685.58/74,871.07
  6. Step 6: Final answer
    x = 45,747.53

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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.