Home / 89,628.03-134,410.70-26,431.38

Finding the Fourth Proportional to 89,628.03, 134,410.70 and 26,431.38

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Solution

The fourth proportional to 89,628.03, 134,410.70 and 26,431.38 is: 39,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,628.03 : 134,410.70 = 26,431.38 : x
  2. Step 2: Convert to fraction form
    89,628.03/134,410.70 = 26,431.38/x
  3. Step 3: Cross multiply
    89,628.03x = 134,410.70 × 26,431.38
  4. Step 4: Simplify right side
    89,628.03x = 3,552,660,155.61
  5. Step 5: Solve for x
    x = 3,552,660,155.61/89,628.03
  6. Step 6: Final answer
    x = 39,637.82

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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.