Home / 52,650.38-72,634.40-31,417.34

Finding the Fourth Proportional to 52,650.38, 72,634.40 and 31,417.34

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Solution

The fourth proportional to 52,650.38, 72,634.40 and 31,417.34 is: 43,342.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,650.38 : 72,634.40 = 31,417.34 : x
  2. Step 2: Convert to fraction form
    52,650.38/72,634.40 = 31,417.34/x
  3. Step 3: Cross multiply
    52,650.38x = 72,634.40 × 31,417.34
  4. Step 4: Simplify right side
    52,650.38x = 2,281,979,640.50
  5. Step 5: Solve for x
    x = 2,281,979,640.50/52,650.38
  6. Step 6: Final answer
    x = 43,342.13

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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.