Home / 109,104.60-163,535.40-42,522.60

Finding the Fourth Proportional to 109,104.60, 163,535.40 and 42,522.60

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Solution

The fourth proportional to 109,104.60, 163,535.40 and 42,522.60 is: 63,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,104.60 : 163,535.40 = 42,522.60 : x
  2. Step 2: Convert to fraction form
    109,104.60/163,535.40 = 42,522.60/x
  3. Step 3: Cross multiply
    109,104.60x = 163,535.40 × 42,522.60
  4. Step 4: Simplify right side
    109,104.60x = 6,953,950,400.04
  5. Step 5: Solve for x
    x = 6,953,950,400.04/109,104.60
  6. Step 6: Final answer
    x = 63,736.55

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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.