Home / 112,039.34-154,612.31-61,052.43

Finding the Fourth Proportional to 112,039.34, 154,612.31 and 61,052.43

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Solution

The fourth proportional to 112,039.34, 154,612.31 and 61,052.43 is: 84,251.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,039.34 : 154,612.31 = 61,052.43 : x
  2. Step 2: Convert to fraction form
    112,039.34/154,612.31 = 61,052.43/x
  3. Step 3: Cross multiply
    112,039.34x = 154,612.31 × 61,052.43
  4. Step 4: Simplify right side
    112,039.34x = 9,439,457,851.37
  5. Step 5: Solve for x
    x = 9,439,457,851.37/112,039.34
  6. Step 6: Final answer
    x = 84,251.28

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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.