Home / 109,135.34-163,506.01-45,842.17

Finding the Fourth Proportional to 109,135.34, 163,506.01 and 45,842.17

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Solution

The fourth proportional to 109,135.34, 163,506.01 and 45,842.17 is: 68,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,135.34 : 163,506.01 = 45,842.17 : x
  2. Step 2: Convert to fraction form
    109,135.34/163,506.01 = 45,842.17/x
  3. Step 3: Cross multiply
    109,135.34x = 163,506.01 × 45,842.17
  4. Step 4: Simplify right side
    109,135.34x = 7,495,470,306.44
  5. Step 5: Solve for x
    x = 7,495,470,306.44/109,135.34
  6. Step 6: Final answer
    x = 68,680.51

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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.