Home / 55,830.47-83,695.88-29,120.51

Finding the Fourth Proportional to 55,830.47, 83,695.88 and 29,120.51

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Solution

The fourth proportional to 55,830.47, 83,695.88 and 29,120.51 is: 43,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,830.47 : 83,695.88 = 29,120.51 : x
  2. Step 2: Convert to fraction form
    55,830.47/83,695.88 = 29,120.51/x
  3. Step 3: Cross multiply
    55,830.47x = 83,695.88 × 29,120.51
  4. Step 4: Simplify right side
    55,830.47x = 2,437,266,992.54
  5. Step 5: Solve for x
    x = 2,437,266,992.54/55,830.47
  6. Step 6: Final answer
    x = 43,654.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.