Home / 114,948.93-172,521.81-65,078.04

Finding the Fourth Proportional to 114,948.93, 172,521.81 and 65,078.04

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Solution

The fourth proportional to 114,948.93, 172,521.81 and 65,078.04 is: 97,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,948.93 : 172,521.81 = 65,078.04 : x
  2. Step 2: Convert to fraction form
    114,948.93/172,521.81 = 65,078.04/x
  3. Step 3: Cross multiply
    114,948.93x = 172,521.81 × 65,078.04
  4. Step 4: Simplify right side
    114,948.93x = 11,227,381,252.05
  5. Step 5: Solve for x
    x = 11,227,381,252.05/114,948.93
  6. Step 6: Final answer
    x = 97,672.78

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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.