Home / 99,291.30-148,723.08-46,621.86

Finding the Fourth Proportional to 99,291.30, 148,723.08 and 46,621.86

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Solution

The fourth proportional to 99,291.30, 148,723.08 and 46,621.86 is: 69,832.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,291.30 : 148,723.08 = 46,621.86 : x
  2. Step 2: Convert to fraction form
    99,291.30/148,723.08 = 46,621.86/x
  3. Step 3: Cross multiply
    99,291.30x = 148,723.08 × 46,621.86
  4. Step 4: Simplify right side
    99,291.30x = 6,933,746,614.53
  5. Step 5: Solve for x
    x = 6,933,746,614.53/99,291.30
  6. Step 6: Final answer
    x = 69,832.37

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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.