Home / 114,878.20-172,317.30-62,390.20

Finding the Fourth Proportional to 114,878.20, 172,317.30 and 62,390.20

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Solution

The fourth proportional to 114,878.20, 172,317.30 and 62,390.20 is: 93,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,878.20 : 172,317.30 = 62,390.20 : x
  2. Step 2: Convert to fraction form
    114,878.20/172,317.30 = 62,390.20/x
  3. Step 3: Cross multiply
    114,878.20x = 172,317.30 × 62,390.20
  4. Step 4: Simplify right side
    114,878.20x = 10,750,910,810.46
  5. Step 5: Solve for x
    x = 10,750,910,810.46/114,878.20
  6. Step 6: Final answer
    x = 93,585.30

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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.