Home / 88,717.06-133,077.43-31,794.66

Finding the Fourth Proportional to 88,717.06, 133,077.43 and 31,794.66

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Solution

The fourth proportional to 88,717.06, 133,077.43 and 31,794.66 is: 47,692.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,717.06 : 133,077.43 = 31,794.66 : x
  2. Step 2: Convert to fraction form
    88,717.06/133,077.43 = 31,794.66/x
  3. Step 3: Cross multiply
    88,717.06x = 133,077.43 × 31,794.66
  4. Step 4: Simplify right side
    88,717.06x = 4,231,151,501.42
  5. Step 5: Solve for x
    x = 4,231,151,501.42/88,717.06
  6. Step 6: Final answer
    x = 47,692.65

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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.