Home / 112,068.28-154,726.22-69,684.44

Finding the Fourth Proportional to 112,068.28, 154,726.22 and 69,684.44

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Solution

The fourth proportional to 112,068.28, 154,726.22 and 69,684.44 is: 96,209.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,068.28 : 154,726.22 = 69,684.44 : x
  2. Step 2: Convert to fraction form
    112,068.28/154,726.22 = 69,684.44/x
  3. Step 3: Cross multiply
    112,068.28x = 154,726.22 × 69,684.44
  4. Step 4: Simplify right side
    112,068.28x = 10,782,009,994.02
  5. Step 5: Solve for x
    x = 10,782,009,994.02/112,068.28
  6. Step 6: Final answer
    x = 96,209.29

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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.