Home / 75,434.92-104,110.70-50,328.16

Finding the Fourth Proportional to 75,434.92, 104,110.70 and 50,328.16

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Solution

The fourth proportional to 75,434.92, 104,110.70 and 50,328.16 is: 69,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,434.92 : 104,110.70 = 50,328.16 : x
  2. Step 2: Convert to fraction form
    75,434.92/104,110.70 = 50,328.16/x
  3. Step 3: Cross multiply
    75,434.92x = 104,110.70 × 50,328.16
  4. Step 4: Simplify right side
    75,434.92x = 5,239,699,455.39
  5. Step 5: Solve for x
    x = 5,239,699,455.39/75,434.92
  6. Step 6: Final answer
    x = 69,459.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.