Home / 74,899.36-103,366.56-43,078.24

Finding the Fourth Proportional to 74,899.36, 103,366.56 and 43,078.24

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Solution

The fourth proportional to 74,899.36, 103,366.56 and 43,078.24 is: 59,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,899.36 : 103,366.56 = 43,078.24 : x
  2. Step 2: Convert to fraction form
    74,899.36/103,366.56 = 43,078.24/x
  3. Step 3: Cross multiply
    74,899.36x = 103,366.56 × 43,078.24
  4. Step 4: Simplify right side
    74,899.36x = 4,452,849,479.65
  5. Step 5: Solve for x
    x = 4,452,849,479.65/74,899.36
  6. Step 6: Final answer
    x = 59,451.10

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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.