Home / 74,794.30-103,214.14-40,802.85

Finding the Fourth Proportional to 74,794.30, 103,214.14 and 40,802.85

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Solution

The fourth proportional to 74,794.30, 103,214.14 and 40,802.85 is: 56,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,794.30 : 103,214.14 = 40,802.85 : x
  2. Step 2: Convert to fraction form
    74,794.30/103,214.14 = 40,802.85/x
  3. Step 3: Cross multiply
    74,794.30x = 103,214.14 × 40,802.85
  4. Step 4: Simplify right side
    74,794.30x = 4,211,431,072.30
  5. Step 5: Solve for x
    x = 4,211,431,072.30/74,794.30
  6. Step 6: Final answer
    x = 56,306.85

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1.5x scale

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.