Home / 55,050.77-75,968.47-31,179.53

Finding the Fourth Proportional to 55,050.77, 75,968.47 and 31,179.53

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Solution

The fourth proportional to 55,050.77, 75,968.47 and 31,179.53 is: 43,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,050.77 : 75,968.47 = 31,179.53 : x
  2. Step 2: Convert to fraction form
    55,050.77/75,968.47 = 31,179.53/x
  3. Step 3: Cross multiply
    55,050.77x = 75,968.47 × 31,179.53
  4. Step 4: Simplify right side
    55,050.77x = 2,368,661,189.42
  5. Step 5: Solve for x
    x = 2,368,661,189.42/55,050.77
  6. Step 6: Final answer
    x = 43,026.85

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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.