Home / 55,077.78-82,618.45-26,220.13

Finding the Fourth Proportional to 55,077.78, 82,618.45 and 26,220.13

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Solution

The fourth proportional to 55,077.78, 82,618.45 and 26,220.13 is: 39,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,077.78 : 82,618.45 = 26,220.13 : x
  2. Step 2: Convert to fraction form
    55,077.78/82,618.45 = 26,220.13/x
  3. Step 3: Cross multiply
    55,077.78x = 82,618.45 × 26,220.13
  4. Step 4: Simplify right side
    55,077.78x = 2,166,266,537.12
  5. Step 5: Solve for x
    x = 2,166,266,537.12/55,077.78
  6. Step 6: Final answer
    x = 39,331.05

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1.5x scale

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.