Home / 112,925.15-155,834.37-69,893.22

Finding the Fourth Proportional to 112,925.15, 155,834.37 and 69,893.22

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Solution

The fourth proportional to 112,925.15, 155,834.37 and 69,893.22 is: 96,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,925.15 : 155,834.37 = 69,893.22 : x
  2. Step 2: Convert to fraction form
    112,925.15/155,834.37 = 69,893.22/x
  3. Step 3: Cross multiply
    112,925.15x = 155,834.37 × 69,893.22
  4. Step 4: Simplify right side
    112,925.15x = 10,891,765,905.97
  5. Step 5: Solve for x
    x = 10,891,765,905.97/112,925.15
  6. Step 6: Final answer
    x = 96,451.20

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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.