Home / 109,880.64-164,675.16-39,692.52

Finding the Fourth Proportional to 109,880.64, 164,675.16 and 39,692.52

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Solution

The fourth proportional to 109,880.64, 164,675.16 and 39,692.52 is: 59,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,880.64 : 164,675.16 = 39,692.52 : x
  2. Step 2: Convert to fraction form
    109,880.64/164,675.16 = 39,692.52/x
  3. Step 3: Cross multiply
    109,880.64x = 164,675.16 × 39,692.52
  4. Step 4: Simplify right side
    109,880.64x = 6,536,372,081.80
  5. Step 5: Solve for x
    x = 6,536,372,081.80/109,880.64
  6. Step 6: Final answer
    x = 59,486.11

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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.