Home / 112,878.29-169,339.75-41,801.60

Finding the Fourth Proportional to 112,878.29, 169,339.75 and 41,801.60

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Solution

The fourth proportional to 112,878.29, 169,339.75 and 41,801.60 is: 62,710.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,878.29 : 169,339.75 = 41,801.60 : x
  2. Step 2: Convert to fraction form
    112,878.29/169,339.75 = 41,801.60/x
  3. Step 3: Cross multiply
    112,878.29x = 169,339.75 × 41,801.60
  4. Step 4: Simplify right side
    112,878.29x = 7,078,672,812.45
  5. Step 5: Solve for x
    x = 7,078,672,812.45/112,878.29
  6. Step 6: Final answer
    x = 62,710.67

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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.