Home / 105,744.64-158,616.96-53,117.23

Finding the Fourth Proportional to 105,744.64, 158,616.96 and 53,117.23

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Solution

The fourth proportional to 105,744.64, 158,616.96 and 53,117.23 is: 79,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,744.64 : 158,616.96 = 53,117.23 : x
  2. Step 2: Convert to fraction form
    105,744.64/158,616.96 = 53,117.23/x
  3. Step 3: Cross multiply
    105,744.64x = 158,616.96 × 53,117.23
  4. Step 4: Simplify right side
    105,744.64x = 8,425,293,546.22
  5. Step 5: Solve for x
    x = 8,425,293,546.22/105,744.64
  6. Step 6: Final answer
    x = 79,675.85

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1.5x scale

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.