Home / 52,677.64-72,689.19-31,168.04

Finding the Fourth Proportional to 52,677.64, 72,689.19 and 31,168.04

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Solution

The fourth proportional to 52,677.64, 72,689.19 and 31,168.04 is: 43,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,677.64 : 72,689.19 = 31,168.04 : x
  2. Step 2: Convert to fraction form
    52,677.64/72,689.19 = 31,168.04/x
  3. Step 3: Cross multiply
    52,677.64x = 72,689.19 × 31,168.04
  4. Step 4: Simplify right side
    52,677.64x = 2,265,579,581.49
  5. Step 5: Solve for x
    x = 2,265,579,581.49/52,677.64
  6. Step 6: Final answer
    x = 43,008.37

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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.