Home / 56,163.36-77,608.08-53,429.88

Finding the Fourth Proportional to 56,163.36, 77,608.08 and 53,429.88

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Solution

The fourth proportional to 56,163.36, 77,608.08 and 53,429.88 is: 73,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,163.36 : 77,608.08 = 53,429.88 : x
  2. Step 2: Convert to fraction form
    56,163.36/77,608.08 = 53,429.88/x
  3. Step 3: Cross multiply
    56,163.36x = 77,608.08 × 53,429.88
  4. Step 4: Simplify right side
    56,163.36x = 4,146,590,401.43
  5. Step 5: Solve for x
    x = 4,146,590,401.43/56,163.36
  6. Step 6: Final answer
    x = 73,830.88

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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.