Home / 112,015.56-154,581.38-61,714.56

Finding the Fourth Proportional to 112,015.56, 154,581.38 and 61,714.56

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Solution

The fourth proportional to 112,015.56, 154,581.38 and 61,714.56 is: 85,166.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,015.56 : 154,581.38 = 61,714.56 : x
  2. Step 2: Convert to fraction form
    112,015.56/154,581.38 = 61,714.56/x
  3. Step 3: Cross multiply
    112,015.56x = 154,581.38 × 61,714.56
  4. Step 4: Simplify right side
    112,015.56x = 9,539,921,850.89
  5. Step 5: Solve for x
    x = 9,539,921,850.89/112,015.56
  6. Step 6: Final answer
    x = 85,166.04

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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.