Home / 101,579.10-152,394.57-64,403.34

Finding the Fourth Proportional to 101,579.10, 152,394.57 and 64,403.34

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Solution

The fourth proportional to 101,579.10, 152,394.57 and 64,403.34 is: 96,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,579.10 : 152,394.57 = 64,403.34 : x
  2. Step 2: Convert to fraction form
    101,579.10/152,394.57 = 64,403.34/x
  3. Step 3: Cross multiply
    101,579.10x = 152,394.57 × 64,403.34
  4. Step 4: Simplify right side
    101,579.10x = 9,814,719,305.86
  5. Step 5: Solve for x
    x = 9,814,719,305.86/101,579.10
  6. Step 6: Final answer
    x = 96,621.44

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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.