Home / 79,459.17-119,186.91-40,005.69

Finding the Fourth Proportional to 79,459.17, 119,186.91 and 40,005.69

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Solution

The fourth proportional to 79,459.17, 119,186.91 and 40,005.69 is: 60,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,459.17 : 119,186.91 = 40,005.69 : x
  2. Step 2: Convert to fraction form
    79,459.17/119,186.91 = 40,005.69/x
  3. Step 3: Cross multiply
    79,459.17x = 119,186.91 × 40,005.69
  4. Step 4: Simplify right side
    79,459.17x = 4,768,154,573.52
  5. Step 5: Solve for x
    x = 4,768,154,573.52/79,459.17
  6. Step 6: Final answer
    x = 60,007.61

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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.