Home / 105,734.21-158,564.43-42,537.95

Finding the Fourth Proportional to 105,734.21, 158,564.43 and 42,537.95

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Solution

The fourth proportional to 105,734.21, 158,564.43 and 42,537.95 is: 63,792.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,734.21 : 158,564.43 = 42,537.95 : x
  2. Step 2: Convert to fraction form
    105,734.21/158,564.43 = 42,537.95/x
  3. Step 3: Cross multiply
    105,734.21x = 158,564.43 × 42,537.95
  4. Step 4: Simplify right side
    105,734.21x = 6,745,005,002.30
  5. Step 5: Solve for x
    x = 6,745,005,002.30/105,734.21
  6. Step 6: Final answer
    x = 63,792.08

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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.