Home / 92,122.22-138,211.54-47,175.40

Finding the Fourth Proportional to 92,122.22, 138,211.54 and 47,175.40

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Solution

The fourth proportional to 92,122.22, 138,211.54 and 47,175.40 is: 70,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,122.22 : 138,211.54 = 47,175.40 : x
  2. Step 2: Convert to fraction form
    92,122.22/138,211.54 = 47,175.40/x
  3. Step 3: Cross multiply
    92,122.22x = 138,211.54 × 47,175.40
  4. Step 4: Simplify right side
    92,122.22x = 6,520,184,684.12
  5. Step 5: Solve for x
    x = 6,520,184,684.12/92,122.22
  6. Step 6: Final answer
    x = 70,777.55

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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.