Home / 104,501.08-144,128.10-68,727.82

Finding the Fourth Proportional to 104,501.08, 144,128.10 and 68,727.82

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Solution

The fourth proportional to 104,501.08, 144,128.10 and 68,727.82 is: 94,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,501.08 : 144,128.10 = 68,727.82 : x
  2. Step 2: Convert to fraction form
    104,501.08/144,128.10 = 68,727.82/x
  3. Step 3: Cross multiply
    104,501.08x = 144,128.10 × 68,727.82
  4. Step 4: Simplify right side
    104,501.08x = 9,905,610,113.74
  5. Step 5: Solve for x
    x = 9,905,610,113.74/104,501.08
  6. Step 6: Final answer
    x = 94,789.55

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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.