Home / 91,036.28-136,553.67-27,856.14

Finding the Fourth Proportional to 91,036.28, 136,553.67 and 27,856.14

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Solution

The fourth proportional to 91,036.28, 136,553.67 and 27,856.14 is: 41,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,036.28 : 136,553.67 = 27,856.14 : x
  2. Step 2: Convert to fraction form
    91,036.28/136,553.67 = 27,856.14/x
  3. Step 3: Cross multiply
    91,036.28x = 136,553.67 × 27,856.14
  4. Step 4: Simplify right side
    91,036.28x = 3,803,858,149.03
  5. Step 5: Solve for x
    x = 3,803,858,149.03/91,036.28
  6. Step 6: Final answer
    x = 41,783.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.