Home / 58,780.07-81,116.20-31,922.36

Finding the Fourth Proportional to 58,780.07, 81,116.20 and 31,922.36

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Solution

The fourth proportional to 58,780.07, 81,116.20 and 31,922.36 is: 44,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,780.07 : 81,116.20 = 31,922.36 : x
  2. Step 2: Convert to fraction form
    58,780.07/81,116.20 = 31,922.36/x
  3. Step 3: Cross multiply
    58,780.07x = 81,116.20 × 31,922.36
  4. Step 4: Simplify right side
    58,780.07x = 2,589,420,052.85
  5. Step 5: Solve for x
    x = 2,589,420,052.85/58,780.07
  6. Step 6: Final answer
    x = 44,052.69

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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.