Home / 89,038.78-133,565.09-25,859.93

Finding the Fourth Proportional to 89,038.78, 133,565.09 and 25,859.93

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Solution

The fourth proportional to 89,038.78, 133,565.09 and 25,859.93 is: 38,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,038.78 : 133,565.09 = 25,859.93 : x
  2. Step 2: Convert to fraction form
    89,038.78/133,565.09 = 25,859.93/x
  3. Step 3: Cross multiply
    89,038.78x = 133,565.09 × 25,859.93
  4. Step 4: Simplify right side
    89,038.78x = 3,453,983,080.72
  5. Step 5: Solve for x
    x = 3,453,983,080.72/89,038.78
  6. Step 6: Final answer
    x = 38,791.90

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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.