Home / 78,803.12-108,751.35-44,814.71

Finding the Fourth Proportional to 78,803.12, 108,751.35 and 44,814.71

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Solution

The fourth proportional to 78,803.12, 108,751.35 and 44,814.71 is: 61,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,803.12 : 108,751.35 = 44,814.71 : x
  2. Step 2: Convert to fraction form
    78,803.12/108,751.35 = 44,814.71/x
  3. Step 3: Cross multiply
    78,803.12x = 108,751.35 × 44,814.71
  4. Step 4: Simplify right side
    78,803.12x = 4,873,660,040.57
  5. Step 5: Solve for x
    x = 4,873,660,040.57/78,803.12
  6. Step 6: Final answer
    x = 61,846.03

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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.