Home / 112,506.15-168,759.39-45,946.28

Finding the Fourth Proportional to 112,506.15, 168,759.39 and 45,946.28

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Solution

The fourth proportional to 112,506.15, 168,759.39 and 45,946.28 is: 68,919.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,506.15 : 168,759.39 = 45,946.28 : x
  2. Step 2: Convert to fraction form
    112,506.15/168,759.39 = 45,946.28/x
  3. Step 3: Cross multiply
    112,506.15x = 168,759.39 × 45,946.28
  4. Step 4: Simplify right side
    112,506.15x = 7,753,865,802.32
  5. Step 5: Solve for x
    x = 7,753,865,802.32/112,506.15
  6. Step 6: Final answer
    x = 68,919.49

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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.