Home / 89,725.66-134,384.42-69,573.65

Finding the Fourth Proportional to 89,725.66, 134,384.42 and 69,573.65

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Solution

The fourth proportional to 89,725.66, 134,384.42 and 69,573.65 is: 104,202.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,725.66 : 134,384.42 = 69,573.65 : x
  2. Step 2: Convert to fraction form
    89,725.66/134,384.42 = 69,573.65/x
  3. Step 3: Cross multiply
    89,725.66x = 134,384.42 × 69,573.65
  4. Step 4: Simplify right side
    89,725.66x = 9,349,614,104.55
  5. Step 5: Solve for x
    x = 9,349,614,104.55/89,725.66
  6. Step 6: Final answer
    x = 104,202.24

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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.