Home / 112,019.66-154,585.70-61,034.50

Finding the Fourth Proportional to 112,019.66, 154,585.70 and 61,034.50

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Solution

The fourth proportional to 112,019.66, 154,585.70 and 61,034.50 is: 84,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,019.66 : 154,585.70 = 61,034.50 : x
  2. Step 2: Convert to fraction form
    112,019.66/154,585.70 = 61,034.50/x
  3. Step 3: Cross multiply
    112,019.66x = 154,585.70 × 61,034.50
  4. Step 4: Simplify right side
    112,019.66x = 9,435,060,906.65
  5. Step 5: Solve for x
    x = 9,435,060,906.65/112,019.66
  6. Step 6: Final answer
    x = 84,226.83

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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.