Home / 79,834.48-119,733.36-40,400.08

Finding the Fourth Proportional to 79,834.48, 119,733.36 and 40,400.08

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Solution

The fourth proportional to 79,834.48, 119,733.36 and 40,400.08 is: 60,590.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,834.48 : 119,733.36 = 40,400.08 : x
  2. Step 2: Convert to fraction form
    79,834.48/119,733.36 = 40,400.08/x
  3. Step 3: Cross multiply
    79,834.48x = 119,733.36 × 40,400.08
  4. Step 4: Simplify right side
    79,834.48x = 4,837,237,322.67
  5. Step 5: Solve for x
    x = 4,837,237,322.67/79,834.48
  6. Step 6: Final answer
    x = 60,590.83

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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.