Home / 74,156.72-111,165.96-37,177.52

Finding the Fourth Proportional to 74,156.72, 111,165.96 and 37,177.52

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Solution

The fourth proportional to 74,156.72, 111,165.96 and 37,177.52 is: 55,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,156.72 : 111,165.96 = 37,177.52 : x
  2. Step 2: Convert to fraction form
    74,156.72/111,165.96 = 37,177.52/x
  3. Step 3: Cross multiply
    74,156.72x = 111,165.96 × 37,177.52
  4. Step 4: Simplify right side
    74,156.72x = 4,132,874,701.22
  5. Step 5: Solve for x
    x = 4,132,874,701.22/74,156.72
  6. Step 6: Final answer
    x = 55,731.63

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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.