Home / 58,788.42-81,081.08-38,665.96

Finding the Fourth Proportional to 58,788.42, 81,081.08 and 38,665.96

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Solution

The fourth proportional to 58,788.42, 81,081.08 and 38,665.96 is: 53,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,788.42 : 81,081.08 = 38,665.96 : x
  2. Step 2: Convert to fraction form
    58,788.42/81,081.08 = 38,665.96/x
  3. Step 3: Cross multiply
    58,788.42x = 81,081.08 × 38,665.96
  4. Step 4: Simplify right side
    58,788.42x = 3,135,077,796.04
  5. Step 5: Solve for x
    x = 3,135,077,796.04/58,788.42
  6. Step 6: Final answer
    x = 53,328.15

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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.