Home / 58,825.54-81,138.18-38,675.98

Finding the Fourth Proportional to 58,825.54, 81,138.18 and 38,675.98

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Solution

The fourth proportional to 58,825.54, 81,138.18 and 38,675.98 is: 53,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,825.54 : 81,138.18 = 38,675.98 : x
  2. Step 2: Convert to fraction form
    58,825.54/81,138.18 = 38,675.98/x
  3. Step 3: Cross multiply
    58,825.54x = 81,138.18 × 38,675.98
  4. Step 4: Simplify right side
    58,825.54x = 3,138,098,626.92
  5. Step 5: Solve for x
    x = 3,138,098,626.92/58,825.54
  6. Step 6: Final answer
    x = 53,345.85

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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.