Home / 55,053.27-75,977.19-30,854.52

Finding the Fourth Proportional to 55,053.27, 75,977.19 and 30,854.52

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Solution

The fourth proportional to 55,053.27, 75,977.19 and 30,854.52 is: 42,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,053.27 : 75,977.19 = 30,854.52 : x
  2. Step 2: Convert to fraction form
    55,053.27/75,977.19 = 30,854.52/x
  3. Step 3: Cross multiply
    55,053.27x = 75,977.19 × 30,854.52
  4. Step 4: Simplify right side
    55,053.27x = 2,344,239,728.40
  5. Step 5: Solve for x
    x = 2,344,239,728.40/55,053.27
  6. Step 6: Final answer
    x = 42,581.30

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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.