Home / 102,225.76-153,363.23-43,078.34

Finding the Fourth Proportional to 102,225.76, 153,363.23 and 43,078.34

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Solution

The fourth proportional to 102,225.76, 153,363.23 and 43,078.34 is: 64,627.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,225.76 : 153,363.23 = 43,078.34 : x
  2. Step 2: Convert to fraction form
    102,225.76/153,363.23 = 43,078.34/x
  3. Step 3: Cross multiply
    102,225.76x = 153,363.23 × 43,078.34
  4. Step 4: Simplify right side
    102,225.76x = 6,606,633,365.44
  5. Step 5: Solve for x
    x = 6,606,633,365.44/102,225.76
  6. Step 6: Final answer
    x = 64,627.87

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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.