Home / 58,786.91-81,126.56-31,929.95

Finding the Fourth Proportional to 58,786.91, 81,126.56 and 31,929.95

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Solution

The fourth proportional to 58,786.91, 81,126.56 and 31,929.95 is: 44,063.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,786.91 : 81,126.56 = 31,929.95 : x
  2. Step 2: Convert to fraction form
    58,786.91/81,126.56 = 31,929.95/x
  3. Step 3: Cross multiply
    58,786.91x = 81,126.56 × 31,929.95
  4. Step 4: Simplify right side
    58,786.91x = 2,590,366,830.78
  5. Step 5: Solve for x
    x = 2,590,366,830.78/58,786.91
  6. Step 6: Final answer
    x = 44,063.66

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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.