Home / 102,864.32-141,946.06-57,534.44

Finding the Fourth Proportional to 102,864.32, 141,946.06 and 57,534.44

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Solution

The fourth proportional to 102,864.32, 141,946.06 and 57,534.44 is: 79,393.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,864.32 : 141,946.06 = 57,534.44 : x
  2. Step 2: Convert to fraction form
    102,864.32/141,946.06 = 57,534.44/x
  3. Step 3: Cross multiply
    102,864.32x = 141,946.06 × 57,534.44
  4. Step 4: Simplify right side
    102,864.32x = 8,166,787,072.31
  5. Step 5: Solve for x
    x = 8,166,787,072.31/102,864.32
  6. Step 6: Final answer
    x = 79,393.78

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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.