Home / 105,946.77-146,207.75-57,549.14

Finding the Fourth Proportional to 105,946.77, 146,207.75 and 57,549.14

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Solution

The fourth proportional to 105,946.77, 146,207.75 and 57,549.14 is: 79,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,946.77 : 146,207.75 = 57,549.14 : x
  2. Step 2: Convert to fraction form
    105,946.77/146,207.75 = 57,549.14/x
  3. Step 3: Cross multiply
    105,946.77x = 146,207.75 × 57,549.14
  4. Step 4: Simplify right side
    105,946.77x = 8,414,130,639.35
  5. Step 5: Solve for x
    x = 8,414,130,639.35/105,946.77
  6. Step 6: Final answer
    x = 79,418.47

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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.