Home / 105,585.84-158,350.86-45,635.22

Finding the Fourth Proportional to 105,585.84, 158,350.86 and 45,635.22

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Solution

The fourth proportional to 105,585.84, 158,350.86 and 45,635.22 is: 68,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,585.84 : 158,350.86 = 45,635.22 : x
  2. Step 2: Convert to fraction form
    105,585.84/158,350.86 = 45,635.22/x
  3. Step 3: Cross multiply
    105,585.84x = 158,350.86 × 45,635.22
  4. Step 4: Simplify right side
    105,585.84x = 7,226,376,333.29
  5. Step 5: Solve for x
    x = 7,226,376,333.29/105,585.84
  6. Step 6: Final answer
    x = 68,440.77

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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.