Home / 112,032.50-154,608.09-61,734.74

Finding the Fourth Proportional to 112,032.50, 154,608.09 and 61,734.74

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Solution

The fourth proportional to 112,032.50, 154,608.09 and 61,734.74 is: 85,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,032.50 : 154,608.09 = 61,734.74 : x
  2. Step 2: Convert to fraction form
    112,032.50/154,608.09 = 61,734.74/x
  3. Step 3: Cross multiply
    112,032.50x = 154,608.09 × 61,734.74
  4. Step 4: Simplify right side
    112,032.50x = 9,544,690,238.05
  5. Step 5: Solve for x
    x = 9,544,690,238.05/112,032.50
  6. Step 6: Final answer
    x = 85,195.73

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1.5x scale

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.