Home / 67,001.28-100,903.20-61,022.58

Finding the Fourth Proportional to 67,001.28, 100,903.20 and 61,022.58

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Solution

The fourth proportional to 67,001.28, 100,903.20 and 61,022.58 is: 91,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,001.28 : 100,903.20 = 61,022.58 : x
  2. Step 2: Convert to fraction form
    67,001.28/100,903.20 = 61,022.58/x
  3. Step 3: Cross multiply
    67,001.28x = 100,903.20 × 61,022.58
  4. Step 4: Simplify right side
    67,001.28x = 6,157,373,594.26
  5. Step 5: Solve for x
    x = 6,157,373,594.26/67,001.28
  6. Step 6: Final answer
    x = 91,899.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.