Home / 56,000.64-77,221.44-50,358.72

Finding the Fourth Proportional to 56,000.64, 77,221.44 and 50,358.72

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Solution

The fourth proportional to 56,000.64, 77,221.44 and 50,358.72 is: 69,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000.64 : 77,221.44 = 50,358.72 : x
  2. Step 2: Convert to fraction form
    56,000.64/77,221.44 = 50,358.72/x
  3. Step 3: Cross multiply
    56,000.64x = 77,221.44 × 50,358.72
  4. Step 4: Simplify right side
    56,000.64x = 3,888,772,874.96
  5. Step 5: Solve for x
    x = 3,888,772,874.96/56,000.64
  6. Step 6: Final answer
    x = 69,441.58

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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.