Home / 61,912.07-85,439.03-36,419.47

Finding the Fourth Proportional to 61,912.07, 85,439.03 and 36,419.47

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Solution

The fourth proportional to 61,912.07, 85,439.03 and 36,419.47 is: 50,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,912.07 : 85,439.03 = 36,419.47 : x
  2. Step 2: Convert to fraction form
    61,912.07/85,439.03 = 36,419.47/x
  3. Step 3: Cross multiply
    61,912.07x = 85,439.03 × 36,419.47
  4. Step 4: Simplify right side
    61,912.07x = 3,111,644,377.24
  5. Step 5: Solve for x
    x = 3,111,644,377.24/61,912.07
  6. Step 6: Final answer
    x = 50,259.09

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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.