Home / 105,979.40-146,254.26-58,233.96

Finding the Fourth Proportional to 105,979.40, 146,254.26 and 58,233.96

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Solution

The fourth proportional to 105,979.40, 146,254.26 and 58,233.96 is: 80,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,979.40 : 146,254.26 = 58,233.96 : x
  2. Step 2: Convert to fraction form
    105,979.40/146,254.26 = 58,233.96/x
  3. Step 3: Cross multiply
    105,979.40x = 146,254.26 × 58,233.96
  4. Step 4: Simplify right side
    105,979.40x = 8,516,964,726.67
  5. Step 5: Solve for x
    x = 8,516,964,726.67/105,979.40
  6. Step 6: Final answer
    x = 80,364.34

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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.