Home / 112,039.40-154,612.37-61,052.57

Finding the Fourth Proportional to 112,039.40, 154,612.37 and 61,052.57

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Solution

The fourth proportional to 112,039.40, 154,612.37 and 61,052.57 is: 84,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,039.40 : 154,612.37 = 61,052.57 : x
  2. Step 2: Convert to fraction form
    112,039.40/154,612.37 = 61,052.57/x
  3. Step 3: Cross multiply
    112,039.40x = 154,612.37 × 61,052.57
  4. Step 4: Simplify right side
    112,039.40x = 9,439,481,463.97
  5. Step 5: Solve for x
    x = 9,439,481,463.97/112,039.40
  6. Step 6: Final answer
    x = 84,251.45

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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.