Home / 81,923.59-122,885.34-46,838.65

Finding the Fourth Proportional to 81,923.59, 122,885.34 and 46,838.65

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Solution

The fourth proportional to 81,923.59, 122,885.34 and 46,838.65 is: 70,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,923.59 : 122,885.34 = 46,838.65 : x
  2. Step 2: Convert to fraction form
    81,923.59/122,885.34 = 46,838.65/x
  3. Step 3: Cross multiply
    81,923.59x = 122,885.34 × 46,838.65
  4. Step 4: Simplify right side
    81,923.59x = 5,755,782,581.77
  5. Step 5: Solve for x
    x = 5,755,782,581.77/81,923.59
  6. Step 6: Final answer
    x = 70,257.94

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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.