Home / 74,401.12-102,673.84-40,410.17

Finding the Fourth Proportional to 74,401.12, 102,673.84 and 40,410.17

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Solution

The fourth proportional to 74,401.12, 102,673.84 and 40,410.17 is: 55,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,401.12 : 102,673.84 = 40,410.17 : x
  2. Step 2: Convert to fraction form
    74,401.12/102,673.84 = 40,410.17/x
  3. Step 3: Cross multiply
    74,401.12x = 102,673.84 × 40,410.17
  4. Step 4: Simplify right side
    74,401.12x = 4,149,067,484.61
  5. Step 5: Solve for x
    x = 4,149,067,484.61/74,401.12
  6. Step 6: Final answer
    x = 55,766.20

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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.