Home / 55,124.55-76,072.64-29,974.59

Finding the Fourth Proportional to 55,124.55, 76,072.64 and 29,974.59

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Solution

The fourth proportional to 55,124.55, 76,072.64 and 29,974.59 is: 41,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124.55 : 76,072.64 = 29,974.59 : x
  2. Step 2: Convert to fraction form
    55,124.55/76,072.64 = 29,974.59/x
  3. Step 3: Cross multiply
    55,124.55x = 76,072.64 × 29,974.59
  4. Step 4: Simplify right side
    55,124.55x = 2,280,246,044.34
  5. Step 5: Solve for x
    x = 2,280,246,044.34/55,124.55
  6. Step 6: Final answer
    x = 41,365.35

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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.