Home / 74,799.04-103,222.97-40,808.29

Finding the Fourth Proportional to 74,799.04, 103,222.97 and 40,808.29

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Solution

The fourth proportional to 74,799.04, 103,222.97 and 40,808.29 is: 56,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,799.04 : 103,222.97 = 40,808.29 : x
  2. Step 2: Convert to fraction form
    74,799.04/103,222.97 = 40,808.29/x
  3. Step 3: Cross multiply
    74,799.04x = 103,222.97 × 40,808.29
  4. Step 4: Simplify right side
    74,799.04x = 4,212,352,894.42
  5. Step 5: Solve for x
    x = 4,212,352,894.42/74,799.04
  6. Step 6: Final answer
    x = 56,315.60

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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.