Home / 58,780.09-81,116.51-31,922.61

Finding the Fourth Proportional to 58,780.09, 81,116.51 and 31,922.61

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Solution

The fourth proportional to 58,780.09, 81,116.51 and 31,922.61 is: 44,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,780.09 : 81,116.51 = 31,922.61 : x
  2. Step 2: Convert to fraction form
    58,780.09/81,116.51 = 31,922.61/x
  3. Step 3: Cross multiply
    58,780.09x = 81,116.51 × 31,922.61
  4. Step 4: Simplify right side
    58,780.09x = 2,589,450,713.29
  5. Step 5: Solve for x
    x = 2,589,450,713.29/58,780.09
  6. Step 6: Final answer
    x = 44,053.19

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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.