Home / 89,856.43-134,761.55-26,661.60

Finding the Fourth Proportional to 89,856.43, 134,761.55 and 26,661.60

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Solution

The fourth proportional to 89,856.43, 134,761.55 and 26,661.60 is: 39,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,856.43 : 134,761.55 = 26,661.60 : x
  2. Step 2: Convert to fraction form
    89,856.43/134,761.55 = 26,661.60/x
  3. Step 3: Cross multiply
    89,856.43x = 134,761.55 × 26,661.60
  4. Step 4: Simplify right side
    89,856.43x = 3,592,958,557.12
  5. Step 5: Solve for x
    x = 3,592,958,557.12/89,856.43
  6. Step 6: Final answer
    x = 39,985.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.