Home / 48,939.36-67,535.16-28,520.11

Finding the Fourth Proportional to 48,939.36, 67,535.16 and 28,520.11

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Solution

The fourth proportional to 48,939.36, 67,535.16 and 28,520.11 is: 39,357.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,939.36 : 67,535.16 = 28,520.11 : x
  2. Step 2: Convert to fraction form
    48,939.36/67,535.16 = 28,520.11/x
  3. Step 3: Cross multiply
    48,939.36x = 67,535.16 × 28,520.11
  4. Step 4: Simplify right side
    48,939.36x = 1,926,110,192.07
  5. Step 5: Solve for x
    x = 1,926,110,192.07/48,939.36
  6. Step 6: Final answer
    x = 39,357.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.