Home / 114,869.19-172,303.85-43,775.25

Finding the Fourth Proportional to 114,869.19, 172,303.85 and 43,775.25

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Solution

The fourth proportional to 114,869.19, 172,303.85 and 43,775.25 is: 65,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,869.19 : 172,303.85 = 43,775.25 : x
  2. Step 2: Convert to fraction form
    114,869.19/172,303.85 = 43,775.25/x
  3. Step 3: Cross multiply
    114,869.19x = 172,303.85 × 43,775.25
  4. Step 4: Simplify right side
    114,869.19x = 7,542,644,109.71
  5. Step 5: Solve for x
    x = 7,542,644,109.71/114,869.19
  6. Step 6: Final answer
    x = 65,662.90

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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.