Home / 82,841.13-124,266.96-30,243.78

Finding the Fourth Proportional to 82,841.13, 124,266.96 and 30,243.78

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Solution

The fourth proportional to 82,841.13, 124,266.96 and 30,243.78 is: 45,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,841.13 : 124,266.96 = 30,243.78 : x
  2. Step 2: Convert to fraction form
    82,841.13/124,266.96 = 30,243.78/x
  3. Step 3: Cross multiply
    82,841.13x = 124,266.96 × 30,243.78
  4. Step 4: Simplify right side
    82,841.13x = 3,758,302,599.51
  5. Step 5: Solve for x
    x = 3,758,302,599.51/82,841.13
  6. Step 6: Final answer
    x = 45,367.59

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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.