Home / 92,621.16-138,937.86-36,456.84

Finding the Fourth Proportional to 92,621.16, 138,937.86 and 36,456.84

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Solution

The fourth proportional to 92,621.16, 138,937.86 and 36,456.84 is: 54,687.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,621.16 : 138,937.86 = 36,456.84 : x
  2. Step 2: Convert to fraction form
    92,621.16/138,937.86 = 36,456.84/x
  3. Step 3: Cross multiply
    92,621.16x = 138,937.86 × 36,456.84
  4. Step 4: Simplify right side
    92,621.16x = 5,065,235,331.96
  5. Step 5: Solve for x
    x = 5,065,235,331.96/92,621.16
  6. Step 6: Final answer
    x = 54,687.67

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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.