Home / 109,788.75-164,706.35-42,322.52

Finding the Fourth Proportional to 109,788.75, 164,706.35 and 42,322.52

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Solution

The fourth proportional to 109,788.75, 164,706.35 and 42,322.52 is: 63,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,788.75 : 164,706.35 = 42,322.52 : x
  2. Step 2: Convert to fraction form
    109,788.75/164,706.35 = 42,322.52/x
  3. Step 3: Cross multiply
    109,788.75x = 164,706.35 × 42,322.52
  4. Step 4: Simplify right side
    109,788.75x = 6,970,787,992.16
  5. Step 5: Solve for x
    x = 6,970,787,992.16/109,788.75
  6. Step 6: Final answer
    x = 63,492.73

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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.