Home / 63,665.08-95,509.38-20,972.92

Finding the Fourth Proportional to 63,665.08, 95,509.38 and 20,972.92

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Solution

The fourth proportional to 63,665.08, 95,509.38 and 20,972.92 is: 31,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,665.08 : 95,509.38 = 20,972.92 : x
  2. Step 2: Convert to fraction form
    63,665.08/95,509.38 = 20,972.92/x
  3. Step 3: Cross multiply
    63,665.08x = 95,509.38 × 20,972.92
  4. Step 4: Simplify right side
    63,665.08x = 2,003,110,585.99
  5. Step 5: Solve for x
    x = 2,003,110,585.99/63,665.08
  6. Step 6: Final answer
    x = 31,463.25

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1.5x scale

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.