Home / 112,340.10-168,463.29-45,735

Finding the Fourth Proportional to 112,340.10, 168,463.29 and 45,735

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Solution

The fourth proportional to 112,340.10, 168,463.29 and 45,735 is: 68,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,340.10 : 168,463.29 = 45,735 : x
  2. Step 2: Convert to fraction form
    112,340.10/168,463.29 = 45,735/x
  3. Step 3: Cross multiply
    112,340.10x = 168,463.29 × 45,735
  4. Step 4: Simplify right side
    112,340.10x = 7,704,668,568.15
  5. Step 5: Solve for x
    x = 7,704,668,568.15/112,340.10
  6. Step 6: Final answer
    x = 68,583.42

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1.5x scale

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.