Home / 55,929.58-77,165.44-31,726.56

Finding the Fourth Proportional to 55,929.58, 77,165.44 and 31,726.56

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Solution

The fourth proportional to 55,929.58, 77,165.44 and 31,726.56 is: 43,772.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,929.58 : 77,165.44 = 31,726.56 : x
  2. Step 2: Convert to fraction form
    55,929.58/77,165.44 = 31,726.56/x
  3. Step 3: Cross multiply
    55,929.58x = 77,165.44 × 31,726.56
  4. Step 4: Simplify right side
    55,929.58x = 2,448,193,962.09
  5. Step 5: Solve for x
    x = 2,448,193,962.09/55,929.58
  6. Step 6: Final answer
    x = 43,772.79

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1.5x scale

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.