Home / 92,358.12-138,487.50-47,874.60

Finding the Fourth Proportional to 92,358.12, 138,487.50 and 47,874.60

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Solution

The fourth proportional to 92,358.12, 138,487.50 and 47,874.60 is: 71,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,358.12 : 138,487.50 = 47,874.60 : x
  2. Step 2: Convert to fraction form
    92,358.12/138,487.50 = 47,874.60/x
  3. Step 3: Cross multiply
    92,358.12x = 138,487.50 × 47,874.60
  4. Step 4: Simplify right side
    92,358.12x = 6,630,033,667.50
  5. Step 5: Solve for x
    x = 6,630,033,667.50/92,358.12
  6. Step 6: Final answer
    x = 71,786.15

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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.