Home / 89,767.78-134,655.62-26,585.35

Finding the Fourth Proportional to 89,767.78, 134,655.62 and 26,585.35

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Solution

The fourth proportional to 89,767.78, 134,655.62 and 26,585.35 is: 39,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,767.78 : 134,655.62 = 26,585.35 : x
  2. Step 2: Convert to fraction form
    89,767.78/134,655.62 = 26,585.35/x
  3. Step 3: Cross multiply
    89,767.78x = 134,655.62 × 26,585.35
  4. Step 4: Simplify right side
    89,767.78x = 3,579,866,317.60
  5. Step 5: Solve for x
    x = 3,579,866,317.60/89,767.78
  6. Step 6: Final answer
    x = 39,879.19

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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.