Home / 88,859.38-133,312.43-31,939.03

Finding the Fourth Proportional to 88,859.38, 133,312.43 and 31,939.03

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Solution

The fourth proportional to 88,859.38, 133,312.43 and 31,939.03 is: 47,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,859.38 : 133,312.43 = 31,939.03 : x
  2. Step 2: Convert to fraction form
    88,859.38/133,312.43 = 31,939.03/x
  3. Step 3: Cross multiply
    88,859.38x = 133,312.43 × 31,939.03
  4. Step 4: Simplify right side
    88,859.38x = 4,257,869,034.58
  5. Step 5: Solve for x
    x = 4,257,869,034.58/88,859.38
  6. Step 6: Final answer
    x = 47,916.93

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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.