Home / 105,524.88-158,305.29-38,965.35

Finding the Fourth Proportional to 105,524.88, 158,305.29 and 38,965.35

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Solution

The fourth proportional to 105,524.88, 158,305.29 and 38,965.35 is: 58,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,524.88 : 158,305.29 = 38,965.35 : x
  2. Step 2: Convert to fraction form
    105,524.88/158,305.29 = 38,965.35/x
  3. Step 3: Cross multiply
    105,524.88x = 158,305.29 × 38,965.35
  4. Step 4: Simplify right side
    105,524.88x = 6,168,421,479.23
  5. Step 5: Solve for x
    x = 6,168,421,479.23/105,524.88
  6. Step 6: Final answer
    x = 58,454.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.