Home / 57,010.23-78,640.47-35,752.59

Finding the Fourth Proportional to 57,010.23, 78,640.47 and 35,752.59

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Solution

The fourth proportional to 57,010.23, 78,640.47 and 35,752.59 is: 49,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,010.23 : 78,640.47 = 35,752.59 : x
  2. Step 2: Convert to fraction form
    57,010.23/78,640.47 = 35,752.59/x
  3. Step 3: Cross multiply
    57,010.23x = 78,640.47 × 35,752.59
  4. Step 4: Simplify right side
    57,010.23x = 2,811,600,481.32
  5. Step 5: Solve for x
    x = 2,811,600,481.32/57,010.23
  6. Step 6: Final answer
    x = 49,317.47

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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.