Home / 89,285.92-123,232.80-51,555.04

Finding the Fourth Proportional to 89,285.92, 123,232.80 and 51,555.04

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Solution

The fourth proportional to 89,285.92, 123,232.80 and 51,555.04 is: 71,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,285.92 : 123,232.80 = 51,555.04 : x
  2. Step 2: Convert to fraction form
    89,285.92/123,232.80 = 51,555.04/x
  3. Step 3: Cross multiply
    89,285.92x = 123,232.80 × 51,555.04
  4. Step 4: Simplify right side
    89,285.92x = 6,353,271,933.31
  5. Step 5: Solve for x
    x = 6,353,271,933.31/89,285.92
  6. Step 6: Final answer
    x = 71,156.48

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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.