Home / 74,824.85-103,275.96-43,012.20

Finding the Fourth Proportional to 74,824.85, 103,275.96 and 43,012.20

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Solution

The fourth proportional to 74,824.85, 103,275.96 and 43,012.20 is: 59,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,824.85 : 103,275.96 = 43,012.20 : x
  2. Step 2: Convert to fraction form
    74,824.85/103,275.96 = 43,012.20/x
  3. Step 3: Cross multiply
    74,824.85x = 103,275.96 × 43,012.20
  4. Step 4: Simplify right side
    74,824.85x = 4,442,126,246.71
  5. Step 5: Solve for x
    x = 4,442,126,246.71/74,824.85
  6. Step 6: Final answer
    x = 59,367.00

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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.