Home / 77,734.77-107,272.72-43,743.23

Finding the Fourth Proportional to 77,734.77, 107,272.72 and 43,743.23

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Solution

The fourth proportional to 77,734.77, 107,272.72 and 43,743.23 is: 60,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,734.77 : 107,272.72 = 43,743.23 : x
  2. Step 2: Convert to fraction form
    77,734.77/107,272.72 = 43,743.23/x
  3. Step 3: Cross multiply
    77,734.77x = 107,272.72 × 43,743.23
  4. Step 4: Simplify right side
    77,734.77x = 4,692,455,828.69
  5. Step 5: Solve for x
    x = 4,692,455,828.69/77,734.77
  6. Step 6: Final answer
    x = 60,364.96

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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.