Home / 112,765.48-169,148-49,570.50

Finding the Fourth Proportional to 112,765.48, 169,148 and 49,570.50

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Solution

The fourth proportional to 112,765.48, 169,148 and 49,570.50 is: 74,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,765.48 : 169,148 = 49,570.50 : x
  2. Step 2: Convert to fraction form
    112,765.48/169,148 = 49,570.50/x
  3. Step 3: Cross multiply
    112,765.48x = 169,148 × 49,570.50
  4. Step 4: Simplify right side
    112,765.48x = 8,384,750,934
  5. Step 5: Solve for x
    x = 8,384,750,934/112,765.48
  6. Step 6: Final answer
    x = 74,355.65

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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.