Home / 67,119.36-100,459.89-49,345.32

Finding the Fourth Proportional to 67,119.36, 100,459.89 and 49,345.32

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Solution

The fourth proportional to 67,119.36, 100,459.89 and 49,345.32 is: 73,856.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,119.36 : 100,459.89 = 49,345.32 : x
  2. Step 2: Convert to fraction form
    67,119.36/100,459.89 = 49,345.32/x
  3. Step 3: Cross multiply
    67,119.36x = 100,459.89 × 49,345.32
  4. Step 4: Simplify right side
    67,119.36x = 4,957,225,419.21
  5. Step 5: Solve for x
    x = 4,957,225,419.21/67,119.36
  6. Step 6: Final answer
    x = 73,856.86

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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.