Home / 68,492.20-94,526.04-40,197.28

Finding the Fourth Proportional to 68,492.20, 94,526.04 and 40,197.28

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Solution

The fourth proportional to 68,492.20, 94,526.04 and 40,197.28 is: 55,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,492.20 : 94,526.04 = 40,197.28 : x
  2. Step 2: Convert to fraction form
    68,492.20/94,526.04 = 40,197.28/x
  3. Step 3: Cross multiply
    68,492.20x = 94,526.04 × 40,197.28
  4. Step 4: Simplify right side
    68,492.20x = 3,799,689,697.17
  5. Step 5: Solve for x
    x = 3,799,689,697.17/68,492.20
  6. Step 6: Final answer
    x = 55,476.24

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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.