Home / 81,166.08-112,152.26-62,464.80

Finding the Fourth Proportional to 81,166.08, 112,152.26 and 62,464.80

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Solution

The fourth proportional to 81,166.08, 112,152.26 and 62,464.80 is: 86,311.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,166.08 : 112,152.26 = 62,464.80 : x
  2. Step 2: Convert to fraction form
    81,166.08/112,152.26 = 62,464.80/x
  3. Step 3: Cross multiply
    81,166.08x = 112,152.26 × 62,464.80
  4. Step 4: Simplify right side
    81,166.08x = 7,005,568,490.45
  5. Step 5: Solve for x
    x = 7,005,568,490.45/81,166.08
  6. Step 6: Final answer
    x = 86,311.53

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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.