Home / 74,860.30-103,305.54-40,867.47

Finding the Fourth Proportional to 74,860.30, 103,305.54 and 40,867.47

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Solution

The fourth proportional to 74,860.30, 103,305.54 and 40,867.47 is: 56,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,860.30 : 103,305.54 = 40,867.47 : x
  2. Step 2: Convert to fraction form
    74,860.30/103,305.54 = 40,867.47/x
  3. Step 3: Cross multiply
    74,860.30x = 103,305.54 × 40,867.47
  4. Step 4: Simplify right side
    74,860.30x = 4,221,836,210.04
  5. Step 5: Solve for x
    x = 4,221,836,210.04/74,860.30
  6. Step 6: Final answer
    x = 56,396.20

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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.