Home / 58,755.12-81,083.07-31,897.65

Finding the Fourth Proportional to 58,755.12, 81,083.07 and 31,897.65

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Solution

The fourth proportional to 58,755.12, 81,083.07 and 31,897.65 is: 44,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,755.12 : 81,083.07 = 31,897.65 : x
  2. Step 2: Convert to fraction form
    58,755.12/81,083.07 = 31,897.65/x
  3. Step 3: Cross multiply
    58,755.12x = 81,083.07 × 31,897.65
  4. Step 4: Simplify right side
    58,755.12x = 2,586,359,387.79
  5. Step 5: Solve for x
    x = 2,586,359,387.79/58,755.12
  6. Step 6: Final answer
    x = 44,019.30

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1.5x scale

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.