Home / 77,964.66-107,566.67-47,718.45

Finding the Fourth Proportional to 77,964.66, 107,566.67 and 47,718.45

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Solution

The fourth proportional to 77,964.66, 107,566.67 and 47,718.45 is: 65,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,964.66 : 107,566.67 = 47,718.45 : x
  2. Step 2: Convert to fraction form
    77,964.66/107,566.67 = 47,718.45/x
  3. Step 3: Cross multiply
    77,964.66x = 107,566.67 × 47,718.45
  4. Step 4: Simplify right side
    77,964.66x = 5,132,915,017.82
  5. Step 5: Solve for x
    x = 5,132,915,017.82/77,964.66
  6. Step 6: Final answer
    x = 65,836.43

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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.