Home / 63,477.38-87,398.52-48,321.20

Finding the Fourth Proportional to 63,477.38, 87,398.52 and 48,321.20

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Solution

The fourth proportional to 63,477.38, 87,398.52 and 48,321.20 is: 66,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,477.38 : 87,398.52 = 48,321.20 : x
  2. Step 2: Convert to fraction form
    63,477.38/87,398.52 = 48,321.20/x
  3. Step 3: Cross multiply
    63,477.38x = 87,398.52 × 48,321.20
  4. Step 4: Simplify right side
    63,477.38x = 4,223,201,364.62
  5. Step 5: Solve for x
    x = 4,223,201,364.62/63,477.38
  6. Step 6: Final answer
    x = 66,530.81

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1.5x scale

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.