Home / 112,571.15-168,856.70-53,374.52

Finding the Fourth Proportional to 112,571.15, 168,856.70 and 53,374.52

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Solution

The fourth proportional to 112,571.15, 168,856.70 and 53,374.52 is: 80,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,571.15 : 168,856.70 = 53,374.52 : x
  2. Step 2: Convert to fraction form
    112,571.15/168,856.70 = 53,374.52/x
  3. Step 3: Cross multiply
    112,571.15x = 168,856.70 × 53,374.52
  4. Step 4: Simplify right side
    112,571.15x = 9,012,645,044.41
  5. Step 5: Solve for x
    x = 9,012,645,044.41/112,571.15
  6. Step 6: Final answer
    x = 80,061.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.