Home / 55,037.64-75,953.52-31,168.02

Finding the Fourth Proportional to 55,037.64, 75,953.52 and 31,168.02

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Solution

The fourth proportional to 55,037.64, 75,953.52 and 31,168.02 is: 43,012.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,037.64 : 75,953.52 = 31,168.02 : x
  2. Step 2: Convert to fraction form
    55,037.64/75,953.52 = 31,168.02/x
  3. Step 3: Cross multiply
    55,037.64x = 75,953.52 × 31,168.02
  4. Step 4: Simplify right side
    55,037.64x = 2,367,320,830.43
  5. Step 5: Solve for x
    x = 2,367,320,830.43/55,037.64
  6. Step 6: Final answer
    x = 43,012.76

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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.