Home / 74,575.18-111,829.29-21,966.22

Finding the Fourth Proportional to 74,575.18, 111,829.29 and 21,966.22

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Solution

The fourth proportional to 74,575.18, 111,829.29 and 21,966.22 is: 32,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,575.18 : 111,829.29 = 21,966.22 : x
  2. Step 2: Convert to fraction form
    74,575.18/111,829.29 = 21,966.22/x
  3. Step 3: Cross multiply
    74,575.18x = 111,829.29 × 21,966.22
  4. Step 4: Simplify right side
    74,575.18x = 2,456,466,786.58
  5. Step 5: Solve for x
    x = 2,456,466,786.58/74,575.18
  6. Step 6: Final answer
    x = 32,939.47

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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.