Home / 79,827.48-119,814.84-40,412.52

Finding the Fourth Proportional to 79,827.48, 119,814.84 and 40,412.52

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Solution

The fourth proportional to 79,827.48, 119,814.84 and 40,412.52 is: 60,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,827.48 : 119,814.84 = 40,412.52 : x
  2. Step 2: Convert to fraction form
    79,827.48/119,814.84 = 40,412.52/x
  3. Step 3: Cross multiply
    79,827.48x = 119,814.84 × 40,412.52
  4. Step 4: Simplify right side
    79,827.48x = 4,842,019,617.80
  5. Step 5: Solve for x
    x = 4,842,019,617.80/79,827.48
  6. Step 6: Final answer
    x = 60,656.05

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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.