Home / 93,919.92-129,608.55-51,479.16

Finding the Fourth Proportional to 93,919.92, 129,608.55 and 51,479.16

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Solution

The fourth proportional to 93,919.92, 129,608.55 and 51,479.16 is: 71,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,919.92 : 129,608.55 = 51,479.16 : x
  2. Step 2: Convert to fraction form
    93,919.92/129,608.55 = 51,479.16/x
  3. Step 3: Cross multiply
    93,919.92x = 129,608.55 × 51,479.16
  4. Step 4: Simplify right side
    93,919.92x = 6,672,139,282.82
  5. Step 5: Solve for x
    x = 6,672,139,282.82/93,919.92
  6. Step 6: Final answer
    x = 71,040.73

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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.