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Finding the Fourth Proportional to 65,109.82, 89,855.04 and 36,427.77

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Solution

The fourth proportional to 65,109.82, 89,855.04 and 36,427.77 is: 50,272.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,109.82 : 89,855.04 = 36,427.77 : x
  2. Step 2: Convert to fraction form
    65,109.82/89,855.04 = 36,427.77/x
  3. Step 3: Cross multiply
    65,109.82x = 89,855.04 × 36,427.77
  4. Step 4: Simplify right side
    65,109.82x = 3,273,218,281.19
  5. Step 5: Solve for x
    x = 3,273,218,281.19/65,109.82
  6. Step 6: Final answer
    x = 50,272.27

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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.