Home / 89,074.08-122,808.96-63,610.92

Finding the Fourth Proportional to 89,074.08, 122,808.96 and 63,610.92

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Solution

The fourth proportional to 89,074.08, 122,808.96 and 63,610.92 is: 87,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,074.08 : 122,808.96 = 63,610.92 : x
  2. Step 2: Convert to fraction form
    89,074.08/122,808.96 = 63,610.92/x
  3. Step 3: Cross multiply
    89,074.08x = 122,808.96 × 63,610.92
  4. Step 4: Simplify right side
    89,074.08x = 7,811,990,929.84
  5. Step 5: Solve for x
    x = 7,811,990,929.84/89,074.08
  6. Step 6: Final answer
    x = 87,702.18

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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.