Home / 102,583.15-153,820.05-43,351.90

Finding the Fourth Proportional to 102,583.15, 153,820.05 and 43,351.90

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Solution

The fourth proportional to 102,583.15, 153,820.05 and 43,351.90 is: 65,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,583.15 : 153,820.05 = 43,351.90 : x
  2. Step 2: Convert to fraction form
    102,583.15/153,820.05 = 43,351.90/x
  3. Step 3: Cross multiply
    102,583.15x = 153,820.05 × 43,351.90
  4. Step 4: Simplify right side
    102,583.15x = 6,668,391,425.60
  5. Step 5: Solve for x
    x = 6,668,391,425.60/102,583.15
  6. Step 6: Final answer
    x = 65,004.74

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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.