Home / 66,488.24-91,753.80-37,806.32

Finding the Fourth Proportional to 66,488.24, 91,753.80 and 37,806.32

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Solution

The fourth proportional to 66,488.24, 91,753.80 and 37,806.32 is: 52,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,488.24 : 91,753.80 = 37,806.32 : x
  2. Step 2: Convert to fraction form
    66,488.24/91,753.80 = 37,806.32/x
  3. Step 3: Cross multiply
    66,488.24x = 91,753.80 × 37,806.32
  4. Step 4: Simplify right side
    66,488.24x = 3,468,873,524.02
  5. Step 5: Solve for x
    x = 3,468,873,524.02/66,488.24
  6. Step 6: Final answer
    x = 52,172.74

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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.