Home / 77,176.74-115,761.61-29,783.13

Finding the Fourth Proportional to 77,176.74, 115,761.61 and 29,783.13

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Solution

The fourth proportional to 77,176.74, 115,761.61 and 29,783.13 is: 44,673.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,176.74 : 115,761.61 = 29,783.13 : x
  2. Step 2: Convert to fraction form
    77,176.74/115,761.61 = 29,783.13/x
  3. Step 3: Cross multiply
    77,176.74x = 115,761.61 × 29,783.13
  4. Step 4: Simplify right side
    77,176.74x = 3,447,743,079.64
  5. Step 5: Solve for x
    x = 3,447,743,079.64/77,176.74
  6. Step 6: Final answer
    x = 44,673.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.