Home / 71,422.08-107,133.96-27,036.90

Finding the Fourth Proportional to 71,422.08, 107,133.96 and 27,036.90

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Solution

The fourth proportional to 71,422.08, 107,133.96 and 27,036.90 is: 40,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,422.08 : 107,133.96 = 27,036.90 : x
  2. Step 2: Convert to fraction form
    71,422.08/107,133.96 = 27,036.90/x
  3. Step 3: Cross multiply
    71,422.08x = 107,133.96 × 27,036.90
  4. Step 4: Simplify right side
    71,422.08x = 2,896,570,163.12
  5. Step 5: Solve for x
    x = 2,896,570,163.12/71,422.08
  6. Step 6: Final answer
    x = 40,555.67

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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.