Home / 95,821.65-144,450-89,399.16

Finding the Fourth Proportional to 95,821.65, 144,450 and 89,399.16

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Solution

The fourth proportional to 95,821.65, 144,450 and 89,399.16 is: 134,768.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,821.65 : 144,450 = 89,399.16 : x
  2. Step 2: Convert to fraction form
    95,821.65/144,450 = 89,399.16/x
  3. Step 3: Cross multiply
    95,821.65x = 144,450 × 89,399.16
  4. Step 4: Simplify right side
    95,821.65x = 12,913,708,662
  5. Step 5: Solve for x
    x = 12,913,708,662/95,821.65
  6. Step 6: Final answer
    x = 134,768.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.