Home / 58,834.61-81,191.77-31,977.11

Finding the Fourth Proportional to 58,834.61, 81,191.77 and 31,977.11

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Solution

The fourth proportional to 58,834.61, 81,191.77 and 31,977.11 is: 44,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,834.61 : 81,191.77 = 31,977.11 : x
  2. Step 2: Convert to fraction form
    58,834.61/81,191.77 = 31,977.11/x
  3. Step 3: Cross multiply
    58,834.61x = 81,191.77 × 31,977.11
  4. Step 4: Simplify right side
    58,834.61x = 2,596,278,112.16
  5. Step 5: Solve for x
    x = 2,596,278,112.16/58,834.61
  6. Step 6: Final answer
    x = 44,128.42

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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.