Home / 48,713.81-67,235.06-28,581.26

Finding the Fourth Proportional to 48,713.81, 67,235.06 and 28,581.26

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Solution

The fourth proportional to 48,713.81, 67,235.06 and 28,581.26 is: 39,448.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,713.81 : 67,235.06 = 28,581.26 : x
  2. Step 2: Convert to fraction form
    48,713.81/67,235.06 = 28,581.26/x
  3. Step 3: Cross multiply
    48,713.81x = 67,235.06 × 28,581.26
  4. Step 4: Simplify right side
    48,713.81x = 1,921,662,466.25
  5. Step 5: Solve for x
    x = 1,921,662,466.25/48,713.81
  6. Step 6: Final answer
    x = 39,448.01

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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.