Home / 89,284.24-133,856.15-61,118.92

Finding the Fourth Proportional to 89,284.24, 133,856.15 and 61,118.92

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Solution

The fourth proportional to 89,284.24, 133,856.15 and 61,118.92 is: 91,630.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,284.24 : 133,856.15 = 61,118.92 : x
  2. Step 2: Convert to fraction form
    89,284.24/133,856.15 = 61,118.92/x
  3. Step 3: Cross multiply
    89,284.24x = 133,856.15 × 61,118.92
  4. Step 4: Simplify right side
    89,284.24x = 8,181,143,185.08
  5. Step 5: Solve for x
    x = 8,181,143,185.08/89,284.24
  6. Step 6: Final answer
    x = 91,630.32

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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.