Home / 112,852.37-155,752.26-69,845.70

Finding the Fourth Proportional to 112,852.37, 155,752.26 and 69,845.70

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Solution

The fourth proportional to 112,852.37, 155,752.26 and 69,845.70 is: 96,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,852.37 : 155,752.26 = 69,845.70 : x
  2. Step 2: Convert to fraction form
    112,852.37/155,752.26 = 69,845.70/x
  3. Step 3: Cross multiply
    112,852.37x = 155,752.26 × 69,845.70
  4. Step 4: Simplify right side
    112,852.37x = 10,878,625,948.43
  5. Step 5: Solve for x
    x = 10,878,625,948.43/112,852.37
  6. Step 6: Final answer
    x = 96,396.96

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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.