Home / 49,655.90-74,484.66-12,216.08

Finding the Fourth Proportional to 49,655.90, 74,484.66 and 12,216.08

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Solution

The fourth proportional to 49,655.90, 74,484.66 and 12,216.08 is: 18,324.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,655.90 : 74,484.66 = 12,216.08 : x
  2. Step 2: Convert to fraction form
    49,655.90/74,484.66 = 12,216.08/x
  3. Step 3: Cross multiply
    49,655.90x = 74,484.66 × 12,216.08
  4. Step 4: Simplify right side
    49,655.90x = 909,910,565.33
  5. Step 5: Solve for x
    x = 909,910,565.33/49,655.90
  6. Step 6: Final answer
    x = 18,324.32

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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.