Home / 97,231.76-145,842.74-38,078.26

Finding the Fourth Proportional to 97,231.76, 145,842.74 and 38,078.26

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Solution

The fourth proportional to 97,231.76, 145,842.74 and 38,078.26 is: 57,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,231.76 : 145,842.74 = 38,078.26 : x
  2. Step 2: Convert to fraction form
    97,231.76/145,842.74 = 38,078.26/x
  3. Step 3: Cross multiply
    97,231.76x = 145,842.74 × 38,078.26
  4. Step 4: Simplify right side
    97,231.76x = 5,553,437,772.83
  5. Step 5: Solve for x
    x = 5,553,437,772.83/97,231.76
  6. Step 6: Final answer
    x = 57,115.47

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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.