Home / 58,543.36-80,801.76-39,686.56

Finding the Fourth Proportional to 58,543.36, 80,801.76 and 39,686.56

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Solution

The fourth proportional to 58,543.36, 80,801.76 and 39,686.56 is: 54,775.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,543.36 : 80,801.76 = 39,686.56 : x
  2. Step 2: Convert to fraction form
    58,543.36/80,801.76 = 39,686.56/x
  3. Step 3: Cross multiply
    58,543.36x = 80,801.76 × 39,686.56
  4. Step 4: Simplify right side
    58,543.36x = 3,206,743,896.35
  5. Step 5: Solve for x
    x = 3,206,743,896.35/58,543.36
  6. Step 6: Final answer
    x = 54,775.54

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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.