Home / 112,569.53-168,893.84-70,401.74

Finding the Fourth Proportional to 112,569.53, 168,893.84 and 70,401.74

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Solution

The fourth proportional to 112,569.53, 168,893.84 and 70,401.74 is: 105,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,569.53 : 168,893.84 = 70,401.74 : x
  2. Step 2: Convert to fraction form
    112,569.53/168,893.84 = 70,401.74/x
  3. Step 3: Cross multiply
    112,569.53x = 168,893.84 × 70,401.74
  4. Step 4: Simplify right side
    112,569.53x = 11,890,419,542.82
  5. Step 5: Solve for x
    x = 11,890,419,542.82/112,569.53
  6. Step 6: Final answer
    x = 105,627.34

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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.