Home / 97,973.44-146,960.24-78,376.57

Finding the Fourth Proportional to 97,973.44, 146,960.24 and 78,376.57

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Solution

The fourth proportional to 97,973.44, 146,960.24 and 78,376.57 is: 117,564.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,973.44 : 146,960.24 = 78,376.57 : x
  2. Step 2: Convert to fraction form
    97,973.44/146,960.24 = 78,376.57/x
  3. Step 3: Cross multiply
    97,973.44x = 146,960.24 × 78,376.57
  4. Step 4: Simplify right side
    97,973.44x = 11,518,238,778.29
  5. Step 5: Solve for x
    x = 11,518,238,778.29/97,973.44
  6. Step 6: Final answer
    x = 117,564.91

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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.