Home / 112,039.56-154,612.59-61,052.65

Finding the Fourth Proportional to 112,039.56, 154,612.59 and 61,052.65

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Solution

The fourth proportional to 112,039.56, 154,612.59 and 61,052.65 is: 84,251.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,039.56 : 154,612.59 = 61,052.65 : x
  2. Step 2: Convert to fraction form
    112,039.56/154,612.59 = 61,052.65/x
  3. Step 3: Cross multiply
    112,039.56x = 154,612.59 × 61,052.65
  4. Step 4: Simplify right side
    112,039.56x = 9,439,508,342.86
  5. Step 5: Solve for x
    x = 9,439,508,342.86/112,039.56
  6. Step 6: Final answer
    x = 84,251.57

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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.