Home / 89,232.24-123,144-48,947.48

Finding the Fourth Proportional to 89,232.24, 123,144 and 48,947.48

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Solution

The fourth proportional to 89,232.24, 123,144 and 48,947.48 is: 67,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,232.24 : 123,144 = 48,947.48 : x
  2. Step 2: Convert to fraction form
    89,232.24/123,144 = 48,947.48/x
  3. Step 3: Cross multiply
    89,232.24x = 123,144 × 48,947.48
  4. Step 4: Simplify right side
    89,232.24x = 6,027,588,477.12
  5. Step 5: Solve for x
    x = 6,027,588,477.12/89,232.24
  6. Step 6: Final answer
    x = 67,549.45

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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.