Home / 89,580.65-123,622.20-51,339.33

Finding the Fourth Proportional to 89,580.65, 123,622.20 and 51,339.33

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Solution

The fourth proportional to 89,580.65, 123,622.20 and 51,339.33 is: 70,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,580.65 : 123,622.20 = 51,339.33 : x
  2. Step 2: Convert to fraction form
    89,580.65/123,622.20 = 51,339.33/x
  3. Step 3: Cross multiply
    89,580.65x = 123,622.20 × 51,339.33
  4. Step 4: Simplify right side
    89,580.65x = 6,346,680,921.13
  5. Step 5: Solve for x
    x = 6,346,680,921.13/89,580.65
  6. Step 6: Final answer
    x = 70,848.80

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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.