Home / 96,348.12-132,997.32-64,505.40

Finding the Fourth Proportional to 96,348.12, 132,997.32 and 64,505.40

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Solution

The fourth proportional to 96,348.12, 132,997.32 and 64,505.40 is: 89,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,348.12 : 132,997.32 = 64,505.40 : x
  2. Step 2: Convert to fraction form
    96,348.12/132,997.32 = 64,505.40/x
  3. Step 3: Cross multiply
    96,348.12x = 132,997.32 × 64,505.40
  4. Step 4: Simplify right side
    96,348.12x = 8,579,045,325.53
  5. Step 5: Solve for x
    x = 8,579,045,325.53/96,348.12
  6. Step 6: Final answer
    x = 89,042.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.