Home / 88,985.80-133,439.82-26,641.72

Finding the Fourth Proportional to 88,985.80, 133,439.82 and 26,641.72

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Solution

The fourth proportional to 88,985.80, 133,439.82 and 26,641.72 is: 39,950.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,985.80 : 133,439.82 = 26,641.72 : x
  2. Step 2: Convert to fraction form
    88,985.80/133,439.82 = 26,641.72/x
  3. Step 3: Cross multiply
    88,985.80x = 133,439.82 × 26,641.72
  4. Step 4: Simplify right side
    88,985.80x = 3,555,066,321.29
  5. Step 5: Solve for x
    x = 3,555,066,321.29/88,985.80
  6. Step 6: Final answer
    x = 39,950.94

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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.