Home / 112,861.08-155,393.64-95,829.48

Finding the Fourth Proportional to 112,861.08, 155,393.64 and 95,829.48

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Solution

The fourth proportional to 112,861.08, 155,393.64 and 95,829.48 is: 131,943.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,861.08 : 155,393.64 = 95,829.48 : x
  2. Step 2: Convert to fraction form
    112,861.08/155,393.64 = 95,829.48/x
  3. Step 3: Cross multiply
    112,861.08x = 155,393.64 × 95,829.48
  4. Step 4: Simplify right side
    112,861.08x = 14,891,291,716.51
  5. Step 5: Solve for x
    x = 14,891,291,716.51/112,861.08
  6. Step 6: Final answer
    x = 131,943.55

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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.