Home / 105,581.07-158,384.97-48,641.31

Finding the Fourth Proportional to 105,581.07, 158,384.97 and 48,641.31

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Solution

The fourth proportional to 105,581.07, 158,384.97 and 48,641.31 is: 72,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,581.07 : 158,384.97 = 48,641.31 : x
  2. Step 2: Convert to fraction form
    105,581.07/158,384.97 = 48,641.31/x
  3. Step 3: Cross multiply
    105,581.07x = 158,384.97 × 48,641.31
  4. Step 4: Simplify right side
    105,581.07x = 7,704,052,425.11
  5. Step 5: Solve for x
    x = 7,704,052,425.11/105,581.07
  6. Step 6: Final answer
    x = 72,968.12

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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.