Home / 97,928.13-146,892.20-64,640.42

Finding the Fourth Proportional to 97,928.13, 146,892.20 and 64,640.42

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Solution

The fourth proportional to 97,928.13, 146,892.20 and 64,640.42 is: 96,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,928.13 : 146,892.20 = 64,640.42 : x
  2. Step 2: Convert to fraction form
    97,928.13/146,892.20 = 64,640.42/x
  3. Step 3: Cross multiply
    97,928.13x = 146,892.20 × 64,640.42
  4. Step 4: Simplify right side
    97,928.13x = 9,495,173,502.72
  5. Step 5: Solve for x
    x = 9,495,173,502.72/97,928.13
  6. Step 6: Final answer
    x = 96,960.63

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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.