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Finding the Fourth Proportional to 69,661.71, 104,459.63 and 26,987.13

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Solution

The fourth proportional to 69,661.71, 104,459.63 and 26,987.13 is: 40,467.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,661.71 : 104,459.63 = 26,987.13 : x
  2. Step 2: Convert to fraction form
    69,661.71/104,459.63 = 26,987.13/x
  3. Step 3: Cross multiply
    69,661.71x = 104,459.63 × 26,987.13
  4. Step 4: Simplify right side
    69,661.71x = 2,819,065,614.56
  5. Step 5: Solve for x
    x = 2,819,065,614.56/69,661.71
  6. Step 6: Final answer
    x = 40,467.94

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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.