Home / 77,812.80-107,377.26-45,984.66

Finding the Fourth Proportional to 77,812.80, 107,377.26 and 45,984.66

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Solution

The fourth proportional to 77,812.80, 107,377.26 and 45,984.66 is: 63,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,812.80 : 107,377.26 = 45,984.66 : x
  2. Step 2: Convert to fraction form
    77,812.80/107,377.26 = 45,984.66/x
  3. Step 3: Cross multiply
    77,812.80x = 107,377.26 × 45,984.66
  4. Step 4: Simplify right side
    77,812.80x = 4,937,706,792.83
  5. Step 5: Solve for x
    x = 4,937,706,792.83/77,812.80
  6. Step 6: Final answer
    x = 63,456.23

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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.