Home / 81,733.77-122,535.50-75,173.13

Finding the Fourth Proportional to 81,733.77, 122,535.50 and 75,173.13

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Solution

The fourth proportional to 81,733.77, 122,535.50 and 75,173.13 is: 112,699.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,733.77 : 122,535.50 = 75,173.13 : x
  2. Step 2: Convert to fraction form
    81,733.77/122,535.50 = 75,173.13/x
  3. Step 3: Cross multiply
    81,733.77x = 122,535.50 × 75,173.13
  4. Step 4: Simplify right side
    81,733.77x = 9,211,376,695.25
  5. Step 5: Solve for x
    x = 9,211,376,695.25/81,733.77
  6. Step 6: Final answer
    x = 112,699.77

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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.