Home / 64,898.10-97,356.72-20,514.78

Finding the Fourth Proportional to 64,898.10, 97,356.72 and 20,514.78

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Solution

The fourth proportional to 64,898.10, 97,356.72 and 20,514.78 is: 30,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,898.10 : 97,356.72 = 20,514.78 : x
  2. Step 2: Convert to fraction form
    64,898.10/97,356.72 = 20,514.78/x
  3. Step 3: Cross multiply
    64,898.10x = 97,356.72 × 20,514.78
  4. Step 4: Simplify right side
    64,898.10x = 1,997,251,692.32
  5. Step 5: Solve for x
    x = 1,997,251,692.32/64,898.10
  6. Step 6: Final answer
    x = 30,775.20

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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.