Home / 92,313.15-138,467.70-25,751.40

Finding the Fourth Proportional to 92,313.15, 138,467.70 and 25,751.40

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Solution

The fourth proportional to 92,313.15, 138,467.70 and 25,751.40 is: 38,626.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,313.15 : 138,467.70 = 25,751.40 : x
  2. Step 2: Convert to fraction form
    92,313.15/138,467.70 = 25,751.40/x
  3. Step 3: Cross multiply
    92,313.15x = 138,467.70 × 25,751.40
  4. Step 4: Simplify right side
    92,313.15x = 3,565,737,129.78
  5. Step 5: Solve for x
    x = 3,565,737,129.78/92,313.15
  6. Step 6: Final answer
    x = 38,626.54

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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.