Home / 92,149.56-138,222.72-29,820.06

Finding the Fourth Proportional to 92,149.56, 138,222.72 and 29,820.06

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Solution

The fourth proportional to 92,149.56, 138,222.72 and 29,820.06 is: 44,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,149.56 : 138,222.72 = 29,820.06 : x
  2. Step 2: Convert to fraction form
    92,149.56/138,222.72 = 29,820.06/x
  3. Step 3: Cross multiply
    92,149.56x = 138,222.72 × 29,820.06
  4. Step 4: Simplify right side
    92,149.56x = 4,121,809,803.76
  5. Step 5: Solve for x
    x = 4,121,809,803.76/92,149.56
  6. Step 6: Final answer
    x = 44,729.57

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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.