Home / 58,732.16-81,050.10-31,874.88

Finding the Fourth Proportional to 58,732.16, 81,050.10 and 31,874.88

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Solution

The fourth proportional to 58,732.16, 81,050.10 and 31,874.88 is: 43,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,732.16 : 81,050.10 = 31,874.88 : x
  2. Step 2: Convert to fraction form
    58,732.16/81,050.10 = 31,874.88/x
  3. Step 3: Cross multiply
    58,732.16x = 81,050.10 × 31,874.88
  4. Step 4: Simplify right side
    58,732.16x = 2,583,462,211.49
  5. Step 5: Solve for x
    x = 2,583,462,211.49/58,732.16
  6. Step 6: Final answer
    x = 43,987.18

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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.