Home / 61,226.40-91,839.28-21,784.96

Finding the Fourth Proportional to 61,226.40, 91,839.28 and 21,784.96

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Solution

The fourth proportional to 61,226.40, 91,839.28 and 21,784.96 is: 32,677.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,226.40 : 91,839.28 = 21,784.96 : x
  2. Step 2: Convert to fraction form
    61,226.40/91,839.28 = 21,784.96/x
  3. Step 3: Cross multiply
    61,226.40x = 91,839.28 × 21,784.96
  4. Step 4: Simplify right side
    61,226.40x = 2,000,715,041.23
  5. Step 5: Solve for x
    x = 2,000,715,041.23/61,226.40
  6. Step 6: Final answer
    x = 32,677.33

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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.