Home / 109,184.61-150,677.70-61,439.64

Finding the Fourth Proportional to 109,184.61, 150,677.70 and 61,439.64

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Solution

The fourth proportional to 109,184.61, 150,677.70 and 61,439.64 is: 84,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,184.61 : 150,677.70 = 61,439.64 : x
  2. Step 2: Convert to fraction form
    109,184.61/150,677.70 = 61,439.64/x
  3. Step 3: Cross multiply
    109,184.61x = 150,677.70 × 61,439.64
  4. Step 4: Simplify right side
    109,184.61x = 9,257,583,644.03
  5. Step 5: Solve for x
    x = 9,257,583,644.03/109,184.61
  6. Step 6: Final answer
    x = 84,788.36

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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.