Home / 55,658.10-76,808.40-30,164.52

Finding the Fourth Proportional to 55,658.10, 76,808.40 and 30,164.52

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Solution

The fourth proportional to 55,658.10, 76,808.40 and 30,164.52 is: 41,627.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,658.10 : 76,808.40 = 30,164.52 : x
  2. Step 2: Convert to fraction form
    55,658.10/76,808.40 = 30,164.52/x
  3. Step 3: Cross multiply
    55,658.10x = 76,808.40 × 30,164.52
  4. Step 4: Simplify right side
    55,658.10x = 2,316,888,517.97
  5. Step 5: Solve for x
    x = 2,316,888,517.97/55,658.10
  6. Step 6: Final answer
    x = 41,627.16

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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.