Home / 81,035.57-111,859.74-60,950.45

Finding the Fourth Proportional to 81,035.57, 111,859.74 and 60,950.45

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Solution

The fourth proportional to 81,035.57, 111,859.74 and 60,950.45 is: 84,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,035.57 : 111,859.74 = 60,950.45 : x
  2. Step 2: Convert to fraction form
    81,035.57/111,859.74 = 60,950.45/x
  3. Step 3: Cross multiply
    81,035.57x = 111,859.74 × 60,950.45
  4. Step 4: Simplify right side
    81,035.57x = 6,817,901,807.85
  5. Step 5: Solve for x
    x = 6,817,901,807.85/81,035.57
  6. Step 6: Final answer
    x = 84,134.68

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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.