Home / 89,856.68-123,995.22-52,133.36

Finding the Fourth Proportional to 89,856.68, 123,995.22 and 52,133.36

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Solution

The fourth proportional to 89,856.68, 123,995.22 and 52,133.36 is: 71,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,856.68 : 123,995.22 = 52,133.36 : x
  2. Step 2: Convert to fraction form
    89,856.68/123,995.22 = 52,133.36/x
  3. Step 3: Cross multiply
    89,856.68x = 123,995.22 × 52,133.36
  4. Step 4: Simplify right side
    89,856.68x = 6,464,287,442.54
  5. Step 5: Solve for x
    x = 6,464,287,442.54/89,856.68
  6. Step 6: Final answer
    x = 71,939.98

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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.