Home / 75,186.69-112,767.44-35,209.86

Finding the Fourth Proportional to 75,186.69, 112,767.44 and 35,209.86

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Solution

The fourth proportional to 75,186.69, 112,767.44 and 35,209.86 is: 52,808.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,186.69 : 112,767.44 = 35,209.86 : x
  2. Step 2: Convert to fraction form
    75,186.69/112,767.44 = 35,209.86/x
  3. Step 3: Cross multiply
    75,186.69x = 112,767.44 × 35,209.86
  4. Step 4: Simplify right side
    75,186.69x = 3,970,525,598.91
  5. Step 5: Solve for x
    x = 3,970,525,598.91/75,186.69
  6. Step 6: Final answer
    x = 52,808.89

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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.