Home / 89,538.08-123,580.10-51,323.24

Finding the Fourth Proportional to 89,538.08, 123,580.10 and 51,323.24

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Solution

The fourth proportional to 89,538.08, 123,580.10 and 51,323.24 is: 70,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,538.08 : 123,580.10 = 51,323.24 : x
  2. Step 2: Convert to fraction form
    89,538.08/123,580.10 = 51,323.24/x
  3. Step 3: Cross multiply
    89,538.08x = 123,580.10 × 51,323.24
  4. Step 4: Simplify right side
    89,538.08x = 6,342,531,568.78
  5. Step 5: Solve for x
    x = 6,342,531,568.78/89,538.08
  6. Step 6: Final answer
    x = 70,836.14

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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.