Home / 72,239.62-99,698.18-41,613.77

Finding the Fourth Proportional to 72,239.62, 99,698.18 and 41,613.77

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Solution

The fourth proportional to 72,239.62, 99,698.18 and 41,613.77 is: 57,431.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,239.62 : 99,698.18 = 41,613.77 : x
  2. Step 2: Convert to fraction form
    72,239.62/99,698.18 = 41,613.77/x
  3. Step 3: Cross multiply
    72,239.62x = 99,698.18 × 41,613.77
  4. Step 4: Simplify right side
    72,239.62x = 4,148,817,131.94
  5. Step 5: Solve for x
    x = 4,148,817,131.94/72,239.62
  6. Step 6: Final answer
    x = 57,431.33

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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.