Home / 52,370.40-72,252.48-31,149.12

Finding the Fourth Proportional to 52,370.40, 72,252.48 and 31,149.12

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Solution

The fourth proportional to 52,370.40, 72,252.48 and 31,149.12 is: 42,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,370.40 : 72,252.48 = 31,149.12 : x
  2. Step 2: Convert to fraction form
    52,370.40/72,252.48 = 31,149.12/x
  3. Step 3: Cross multiply
    52,370.40x = 72,252.48 × 31,149.12
  4. Step 4: Simplify right side
    52,370.40x = 2,250,601,169.82
  5. Step 5: Solve for x
    x = 2,250,601,169.82/52,370.40
  6. Step 6: Final answer
    x = 42,974.68

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1.5x scale

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.