Home / 105,923.09-158,863.08-31,023.11

Finding the Fourth Proportional to 105,923.09, 158,863.08 and 31,023.11

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Solution

The fourth proportional to 105,923.09, 158,863.08 and 31,023.11 is: 46,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,923.09 : 158,863.08 = 31,023.11 : x
  2. Step 2: Convert to fraction form
    105,923.09/158,863.08 = 31,023.11/x
  3. Step 3: Cross multiply
    105,923.09x = 158,863.08 × 31,023.11
  4. Step 4: Simplify right side
    105,923.09x = 4,928,426,805.78
  5. Step 5: Solve for x
    x = 4,928,426,805.78/105,923.09
  6. Step 6: Final answer
    x = 46,528.35

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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.