Home / 92,161.45-138,020.74-52,598.62

Finding the Fourth Proportional to 92,161.45, 138,020.74 and 52,598.62

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Solution

The fourth proportional to 92,161.45, 138,020.74 and 52,598.62 is: 78,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,161.45 : 138,020.74 = 52,598.62 : x
  2. Step 2: Convert to fraction form
    92,161.45/138,020.74 = 52,598.62/x
  3. Step 3: Cross multiply
    92,161.45x = 138,020.74 × 52,598.62
  4. Step 4: Simplify right side
    92,161.45x = 7,259,699,978.83
  5. Step 5: Solve for x
    x = 7,259,699,978.83/92,161.45
  6. Step 6: Final answer
    x = 78,771.55

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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.