Home / 112,036-154,612.92-61,738.24

Finding the Fourth Proportional to 112,036, 154,612.92 and 61,738.24

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Solution

The fourth proportional to 112,036, 154,612.92 and 61,738.24 is: 85,200.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,036 : 154,612.92 = 61,738.24 : x
  2. Step 2: Convert to fraction form
    112,036/154,612.92 = 61,738.24/x
  3. Step 3: Cross multiply
    112,036x = 154,612.92 × 61,738.24
  4. Step 4: Simplify right side
    112,036x = 9,545,529,562.06
  5. Step 5: Solve for x
    x = 9,545,529,562.06/112,036
  6. Step 6: Final answer
    x = 85,200.56

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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.