Home / 109,958.35-164,940.60-38,870.94

Finding the Fourth Proportional to 109,958.35, 164,940.60 and 38,870.94

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Solution

The fourth proportional to 109,958.35, 164,940.60 and 38,870.94 is: 58,307.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,958.35 : 164,940.60 = 38,870.94 : x
  2. Step 2: Convert to fraction form
    109,958.35/164,940.60 = 38,870.94/x
  3. Step 3: Cross multiply
    109,958.35x = 164,940.60 × 38,870.94
  4. Step 4: Simplify right side
    109,958.35x = 6,411,396,166.16
  5. Step 5: Solve for x
    x = 6,411,396,166.16/109,958.35
  6. Step 6: Final answer
    x = 58,307.50

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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.