Home / 89,669.40-134,521.82-26,490.64

Finding the Fourth Proportional to 89,669.40, 134,521.82 and 26,490.64

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Solution

The fourth proportional to 89,669.40, 134,521.82 and 26,490.64 is: 39,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,669.40 : 134,521.82 = 26,490.64 : x
  2. Step 2: Convert to fraction form
    89,669.40/134,521.82 = 26,490.64/x
  3. Step 3: Cross multiply
    89,669.40x = 134,521.82 × 26,490.64
  4. Step 4: Simplify right side
    89,669.40x = 3,563,569,105.76
  5. Step 5: Solve for x
    x = 3,563,569,105.76/89,669.40
  6. Step 6: Final answer
    x = 39,741.19

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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.