Home / 88,721.60-133,082.40-26,392.10

Finding the Fourth Proportional to 88,721.60, 133,082.40 and 26,392.10

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Solution

The fourth proportional to 88,721.60, 133,082.40 and 26,392.10 is: 39,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,721.60 : 133,082.40 = 26,392.10 : x
  2. Step 2: Convert to fraction form
    88,721.60/133,082.40 = 26,392.10/x
  3. Step 3: Cross multiply
    88,721.60x = 133,082.40 × 26,392.10
  4. Step 4: Simplify right side
    88,721.60x = 3,512,324,009.04
  5. Step 5: Solve for x
    x = 3,512,324,009.04/88,721.60
  6. Step 6: Final answer
    x = 39,588.15

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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.