Home / 89,838.09-134,734.14-26,643.45

Finding the Fourth Proportional to 89,838.09, 134,734.14 and 26,643.45

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Solution

The fourth proportional to 89,838.09, 134,734.14 and 26,643.45 is: 39,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,838.09 : 134,734.14 = 26,643.45 : x
  2. Step 2: Convert to fraction form
    89,838.09/134,734.14 = 26,643.45/x
  3. Step 3: Cross multiply
    89,838.09x = 134,734.14 × 26,643.45
  4. Step 4: Simplify right side
    89,838.09x = 3,589,782,322.38
  5. Step 5: Solve for x
    x = 3,589,782,322.38/89,838.09
  6. Step 6: Final answer
    x = 39,958.36

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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.