Home / 86,404.19-119,240.30-50,590.85

Finding the Fourth Proportional to 86,404.19, 119,240.30 and 50,590.85

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Solution

The fourth proportional to 86,404.19, 119,240.30 and 50,590.85 is: 69,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,404.19 : 119,240.30 = 50,590.85 : x
  2. Step 2: Convert to fraction form
    86,404.19/119,240.30 = 50,590.85/x
  3. Step 3: Cross multiply
    86,404.19x = 119,240.30 × 50,590.85
  4. Step 4: Simplify right side
    86,404.19x = 6,032,467,661.53
  5. Step 5: Solve for x
    x = 6,032,467,661.53/86,404.19
  6. Step 6: Final answer
    x = 69,816.85

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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.