Home / 92,324.32-138,431.06-42,341.80

Finding the Fourth Proportional to 92,324.32, 138,431.06 and 42,341.80

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Solution

The fourth proportional to 92,324.32, 138,431.06 and 42,341.80 is: 63,487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,324.32 : 138,431.06 = 42,341.80 : x
  2. Step 2: Convert to fraction form
    92,324.32/138,431.06 = 42,341.80/x
  3. Step 3: Cross multiply
    92,324.32x = 138,431.06 × 42,341.80
  4. Step 4: Simplify right side
    92,324.32x = 5,861,420,256.31
  5. Step 5: Solve for x
    x = 5,861,420,256.31/92,324.32
  6. Step 6: Final answer
    x = 63,487.28

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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.