Home / 58,726.83-81,042.60-31,868.65

Finding the Fourth Proportional to 58,726.83, 81,042.60 and 31,868.65

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Solution

The fourth proportional to 58,726.83, 81,042.60 and 31,868.65 is: 43,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,726.83 : 81,042.60 = 31,868.65 : x
  2. Step 2: Convert to fraction form
    58,726.83/81,042.60 = 31,868.65/x
  3. Step 3: Cross multiply
    58,726.83x = 81,042.60 × 31,868.65
  4. Step 4: Simplify right side
    58,726.83x = 2,582,718,254.49
  5. Step 5: Solve for x
    x = 2,582,718,254.49/58,726.83
  6. Step 6: Final answer
    x = 43,978.51

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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.