Home / 105,952.32-146,206.98-58,207.68

Finding the Fourth Proportional to 105,952.32, 146,206.98 and 58,207.68

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Solution

The fourth proportional to 105,952.32, 146,206.98 and 58,207.68 is: 80,322.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,952.32 : 146,206.98 = 58,207.68 : x
  2. Step 2: Convert to fraction form
    105,952.32/146,206.98 = 58,207.68/x
  3. Step 3: Cross multiply
    105,952.32x = 146,206.98 × 58,207.68
  4. Step 4: Simplify right side
    105,952.32x = 8,510,369,105.61
  5. Step 5: Solve for x
    x = 8,510,369,105.61/105,952.32
  6. Step 6: Final answer
    x = 80,322.63

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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.