Home / 104,894.12-144,754.34-61,874.07

Finding the Fourth Proportional to 104,894.12, 144,754.34 and 61,874.07

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Solution

The fourth proportional to 104,894.12, 144,754.34 and 61,874.07 is: 85,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,894.12 : 144,754.34 = 61,874.07 : x
  2. Step 2: Convert to fraction form
    104,894.12/144,754.34 = 61,874.07/x
  3. Step 3: Cross multiply
    104,894.12x = 144,754.34 × 61,874.07
  4. Step 4: Simplify right side
    104,894.12x = 8,956,539,856.59
  5. Step 5: Solve for x
    x = 8,956,539,856.59/104,894.12
  6. Step 6: Final answer
    x = 85,386.49

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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.