Home / 112,124.10-168,182.49-45,544.53

Finding the Fourth Proportional to 112,124.10, 168,182.49 and 45,544.53

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Solution

The fourth proportional to 112,124.10, 168,182.49 and 45,544.53 is: 68,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,124.10 : 168,182.49 = 45,544.53 : x
  2. Step 2: Convert to fraction form
    112,124.10/168,182.49 = 45,544.53/x
  3. Step 3: Cross multiply
    112,124.10x = 168,182.49 × 45,544.53
  4. Step 4: Simplify right side
    112,124.10x = 7,659,792,461.28
  5. Step 5: Solve for x
    x = 7,659,792,461.28/112,124.10
  6. Step 6: Final answer
    x = 68,315.31

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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.