Home / 92,314.36-138,270.66-60,688.72

Finding the Fourth Proportional to 92,314.36, 138,270.66 and 60,688.72

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Solution

The fourth proportional to 92,314.36, 138,270.66 and 60,688.72 is: 90,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,314.36 : 138,270.66 = 60,688.72 : x
  2. Step 2: Convert to fraction form
    92,314.36/138,270.66 = 60,688.72/x
  3. Step 3: Cross multiply
    92,314.36x = 138,270.66 × 60,688.72
  4. Step 4: Simplify right side
    92,314.36x = 8,391,469,368.96
  5. Step 5: Solve for x
    x = 8,391,469,368.96/92,314.36
  6. Step 6: Final answer
    x = 90,901.02

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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.