Home / 58,755.39-88,137.42-21,315.66

Finding the Fourth Proportional to 58,755.39, 88,137.42 and 21,315.66

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Solution

The fourth proportional to 58,755.39, 88,137.42 and 21,315.66 is: 31,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,755.39 : 88,137.42 = 21,315.66 : x
  2. Step 2: Convert to fraction form
    58,755.39/88,137.42 = 21,315.66/x
  3. Step 3: Cross multiply
    58,755.39x = 88,137.42 × 21,315.66
  4. Step 4: Simplify right side
    58,755.39x = 1,878,707,278.00
  5. Step 5: Solve for x
    x = 1,878,707,278.00/58,755.39
  6. Step 6: Final answer
    x = 31,975.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.