Home / 103,542.10-155,315.09-32,463.16

Finding the Fourth Proportional to 103,542.10, 155,315.09 and 32,463.16

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Solution

The fourth proportional to 103,542.10, 155,315.09 and 32,463.16 is: 48,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,542.10 : 155,315.09 = 32,463.16 : x
  2. Step 2: Convert to fraction form
    103,542.10/155,315.09 = 32,463.16/x
  3. Step 3: Cross multiply
    103,542.10x = 155,315.09 × 32,463.16
  4. Step 4: Simplify right side
    103,542.10x = 5,042,018,617.08
  5. Step 5: Solve for x
    x = 5,042,018,617.08/103,542.10
  6. Step 6: Final answer
    x = 48,695.35

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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.