Home / 89,356.07-134,004.94-39,434.15

Finding the Fourth Proportional to 89,356.07, 134,004.94 and 39,434.15

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Solution

The fourth proportional to 89,356.07, 134,004.94 and 39,434.15 is: 59,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,356.07 : 134,004.94 = 39,434.15 : x
  2. Step 2: Convert to fraction form
    89,356.07/134,004.94 = 39,434.15/x
  3. Step 3: Cross multiply
    89,356.07x = 134,004.94 × 39,434.15
  4. Step 4: Simplify right side
    89,356.07x = 5,284,370,136.09
  5. Step 5: Solve for x
    x = 5,284,370,136.09/89,356.07
  6. Step 6: Final answer
    x = 59,138.35

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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.