Home / 103,558.06-155,338.99-32,479.11

Finding the Fourth Proportional to 103,558.06, 155,338.99 and 32,479.11

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Solution

The fourth proportional to 103,558.06, 155,338.99 and 32,479.11 is: 48,719.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,558.06 : 155,338.99 = 32,479.11 : x
  2. Step 2: Convert to fraction form
    103,558.06/155,338.99 = 32,479.11/x
  3. Step 3: Cross multiply
    103,558.06x = 155,338.99 × 32,479.11
  4. Step 4: Simplify right side
    103,558.06x = 5,045,272,143.50
  5. Step 5: Solve for x
    x = 5,045,272,143.50/103,558.06
  6. Step 6: Final answer
    x = 48,719.26

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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.