Home / 77,530.29-107,003.37-47,333.11

Finding the Fourth Proportional to 77,530.29, 107,003.37 and 47,333.11

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Solution

The fourth proportional to 77,530.29, 107,003.37 and 47,333.11 is: 65,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530.29 : 107,003.37 = 47,333.11 : x
  2. Step 2: Convert to fraction form
    77,530.29/107,003.37 = 47,333.11/x
  3. Step 3: Cross multiply
    77,530.29x = 107,003.37 × 47,333.11
  4. Step 4: Simplify right side
    77,530.29x = 5,064,802,282.58
  5. Step 5: Solve for x
    x = 5,064,802,282.58/77,530.29
  6. Step 6: Final answer
    x = 65,326.76

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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.