Home / 108,121.64-162,164.84-37,984.55

Finding the Fourth Proportional to 108,121.64, 162,164.84 and 37,984.55

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Solution

The fourth proportional to 108,121.64, 162,164.84 and 37,984.55 is: 56,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,121.64 : 162,164.84 = 37,984.55 : x
  2. Step 2: Convert to fraction form
    108,121.64/162,164.84 = 37,984.55/x
  3. Step 3: Cross multiply
    108,121.64x = 162,164.84 × 37,984.55
  4. Step 4: Simplify right side
    108,121.64x = 6,159,757,472.48
  5. Step 5: Solve for x
    x = 6,159,757,472.48/108,121.64
  6. Step 6: Final answer
    x = 56,970.63

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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.