Home / 61,420.57-84,717.97-37,558.99

Finding the Fourth Proportional to 61,420.57, 84,717.97 and 37,558.99

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Solution

The fourth proportional to 61,420.57, 84,717.97 and 37,558.99 is: 51,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,420.57 : 84,717.97 = 37,558.99 : x
  2. Step 2: Convert to fraction form
    61,420.57/84,717.97 = 37,558.99/x
  3. Step 3: Cross multiply
    61,420.57x = 84,717.97 × 37,558.99
  4. Step 4: Simplify right side
    61,420.57x = 3,181,921,388.05
  5. Step 5: Solve for x
    x = 3,181,921,388.05/61,420.57
  6. Step 6: Final answer
    x = 51,805.47

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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.