Home / 77,754.13-107,292.40-43,764.37

Finding the Fourth Proportional to 77,754.13, 107,292.40 and 43,764.37

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Solution

The fourth proportional to 77,754.13, 107,292.40 and 43,764.37 is: 60,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,754.13 : 107,292.40 = 43,764.37 : x
  2. Step 2: Convert to fraction form
    77,754.13/107,292.40 = 43,764.37/x
  3. Step 3: Cross multiply
    77,754.13x = 107,292.40 × 43,764.37
  4. Step 4: Simplify right side
    77,754.13x = 4,695,584,291.79
  5. Step 5: Solve for x
    x = 4,695,584,291.79/77,754.13
  6. Step 6: Final answer
    x = 60,390.16

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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.