Home / 89,276.16-123,204.96-53,472

Finding the Fourth Proportional to 89,276.16, 123,204.96 and 53,472

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Solution

The fourth proportional to 89,276.16, 123,204.96 and 53,472 is: 73,793.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,276.16 : 123,204.96 = 53,472 : x
  2. Step 2: Convert to fraction form
    89,276.16/123,204.96 = 53,472/x
  3. Step 3: Cross multiply
    89,276.16x = 123,204.96 × 53,472
  4. Step 4: Simplify right side
    89,276.16x = 6,588,015,621.12
  5. Step 5: Solve for x
    x = 6,588,015,621.12/89,276.16
  6. Step 6: Final answer
    x = 73,793.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.