Home / 64,272.24-88,609.32-45,126.36

Finding the Fourth Proportional to 64,272.24, 88,609.32 and 45,126.36

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Solution

The fourth proportional to 64,272.24, 88,609.32 and 45,126.36 is: 62,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,272.24 : 88,609.32 = 45,126.36 : x
  2. Step 2: Convert to fraction form
    64,272.24/88,609.32 = 45,126.36/x
  3. Step 3: Cross multiply
    64,272.24x = 88,609.32 × 45,126.36
  4. Step 4: Simplify right side
    64,272.24x = 3,998,616,073.68
  5. Step 5: Solve for x
    x = 3,998,616,073.68/64,272.24
  6. Step 6: Final answer
    x = 62,213.73

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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.