Home / 89,458.74-123,443.73-51,725.70

Finding the Fourth Proportional to 89,458.74, 123,443.73 and 51,725.70

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Solution

The fourth proportional to 89,458.74, 123,443.73 and 51,725.70 is: 71,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,458.74 : 123,443.73 = 51,725.70 : x
  2. Step 2: Convert to fraction form
    89,458.74/123,443.73 = 51,725.70/x
  3. Step 3: Cross multiply
    89,458.74x = 123,443.73 × 51,725.70
  4. Step 4: Simplify right side
    89,458.74x = 6,385,213,344.86
  5. Step 5: Solve for x
    x = 6,385,213,344.86/89,458.74
  6. Step 6: Final answer
    x = 71,376.07

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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.