Home / 89,563.90-123,601.12-51,330.68

Finding the Fourth Proportional to 89,563.90, 123,601.12 and 51,330.68

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Solution

The fourth proportional to 89,563.90, 123,601.12 and 51,330.68 is: 70,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,563.90 : 123,601.12 = 51,330.68 : x
  2. Step 2: Convert to fraction form
    89,563.90/123,601.12 = 51,330.68/x
  3. Step 3: Cross multiply
    89,563.90x = 123,601.12 × 51,330.68
  4. Step 4: Simplify right side
    89,563.90x = 6,344,529,316.19
  5. Step 5: Solve for x
    x = 6,344,529,316.19/89,563.90
  6. Step 6: Final answer
    x = 70,838.02

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1.5x scale

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.