Home / 74,872.52-103,328.27-40,884.17

Finding the Fourth Proportional to 74,872.52, 103,328.27 and 40,884.17

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Solution

The fourth proportional to 74,872.52, 103,328.27 and 40,884.17 is: 56,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,872.52 : 103,328.27 = 40,884.17 : x
  2. Step 2: Convert to fraction form
    74,872.52/103,328.27 = 40,884.17/x
  3. Step 3: Cross multiply
    74,872.52x = 103,328.27 × 40,884.17
  4. Step 4: Simplify right side
    74,872.52x = 4,224,490,222.90
  5. Step 5: Solve for x
    x = 4,224,490,222.90/74,872.52
  6. Step 6: Final answer
    x = 56,422.44

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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.