Home / 57,127.01-78,985.76-50,033.09

Finding the Fourth Proportional to 57,127.01, 78,985.76 and 50,033.09

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Solution

The fourth proportional to 57,127.01, 78,985.76 and 50,033.09 is: 69,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,127.01 : 78,985.76 = 50,033.09 : x
  2. Step 2: Convert to fraction form
    57,127.01/78,985.76 = 50,033.09/x
  3. Step 3: Cross multiply
    57,127.01x = 78,985.76 × 50,033.09
  4. Step 4: Simplify right side
    57,127.01x = 3,951,901,388.63
  5. Step 5: Solve for x
    x = 3,951,901,388.63/57,127.01
  6. Step 6: Final answer
    x = 69,177.46

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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.