Home / 53,356.52-73,611.36-30,691.91

Finding the Fourth Proportional to 53,356.52, 73,611.36 and 30,691.91

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Solution

The fourth proportional to 53,356.52, 73,611.36 and 30,691.91 is: 42,342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,356.52 : 73,611.36 = 30,691.91 : x
  2. Step 2: Convert to fraction form
    53,356.52/73,611.36 = 30,691.91/x
  3. Step 3: Cross multiply
    53,356.52x = 73,611.36 × 30,691.91
  4. Step 4: Simplify right side
    53,356.52x = 2,259,272,868.04
  5. Step 5: Solve for x
    x = 2,259,272,868.04/53,356.52
  6. Step 6: Final answer
    x = 42,342.96

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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.