Home / 56,101.64-77,747.81-55,037.16

Finding the Fourth Proportional to 56,101.64, 77,747.81 and 55,037.16

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Solution

The fourth proportional to 56,101.64, 77,747.81 and 55,037.16 is: 76,272.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,101.64 : 77,747.81 = 55,037.16 : x
  2. Step 2: Convert to fraction form
    56,101.64/77,747.81 = 55,037.16/x
  3. Step 3: Cross multiply
    56,101.64x = 77,747.81 × 55,037.16
  4. Step 4: Simplify right side
    56,101.64x = 4,279,018,383.43
  5. Step 5: Solve for x
    x = 4,279,018,383.43/56,101.64
  6. Step 6: Final answer
    x = 76,272.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.