Home / 48,402.57-72,603.66-31,758.58

Finding the Fourth Proportional to 48,402.57, 72,603.66 and 31,758.58

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Solution

The fourth proportional to 48,402.57, 72,603.66 and 31,758.58 is: 47,637.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,402.57 : 72,603.66 = 31,758.58 : x
  2. Step 2: Convert to fraction form
    48,402.57/72,603.66 = 31,758.58/x
  3. Step 3: Cross multiply
    48,402.57x = 72,603.66 × 31,758.58
  4. Step 4: Simplify right side
    48,402.57x = 2,305,789,144.40
  5. Step 5: Solve for x
    x = 2,305,789,144.40/48,402.57
  6. Step 6: Final answer
    x = 47,637.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.