Home / 116,372.80-160,575.04-68,619.52

Finding the Fourth Proportional to 116,372.80, 160,575.04 and 68,619.52

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Solution

The fourth proportional to 116,372.80, 160,575.04 and 68,619.52 is: 94,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,372.80 : 160,575.04 = 68,619.52 : x
  2. Step 2: Convert to fraction form
    116,372.80/160,575.04 = 68,619.52/x
  3. Step 3: Cross multiply
    116,372.80x = 160,575.04 × 68,619.52
  4. Step 4: Simplify right side
    116,372.80x = 11,018,582,168.78
  5. Step 5: Solve for x
    x = 11,018,582,168.78/116,372.80
  6. Step 6: Final answer
    x = 94,683.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.