Home / 109,770.18-164,622.60-46,589.40

Finding the Fourth Proportional to 109,770.18, 164,622.60 and 46,589.40

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Solution

The fourth proportional to 109,770.18, 164,622.60 and 46,589.40 is: 69,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,770.18 : 164,622.60 = 46,589.40 : x
  2. Step 2: Convert to fraction form
    109,770.18/164,622.60 = 46,589.40/x
  3. Step 3: Cross multiply
    109,770.18x = 164,622.60 × 46,589.40
  4. Step 4: Simplify right side
    109,770.18x = 7,669,668,160.44
  5. Step 5: Solve for x
    x = 7,669,668,160.44/109,770.18
  6. Step 6: Final answer
    x = 69,870.23

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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.