Home / 100,277.06-138,382.29-59,992.46

Finding the Fourth Proportional to 100,277.06, 138,382.29 and 59,992.46

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Solution

The fourth proportional to 100,277.06, 138,382.29 and 59,992.46 is: 82,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,277.06 : 138,382.29 = 59,992.46 : x
  2. Step 2: Convert to fraction form
    100,277.06/138,382.29 = 59,992.46/x
  3. Step 3: Cross multiply
    100,277.06x = 138,382.29 × 59,992.46
  4. Step 4: Simplify right side
    100,277.06x = 8,301,893,997.53
  5. Step 5: Solve for x
    x = 8,301,893,997.53/100,277.06
  6. Step 6: Final answer
    x = 82,789.56

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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.