Home / 106,420.37-159,559.05-42,336.06

Finding the Fourth Proportional to 106,420.37, 159,559.05 and 42,336.06

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Solution

The fourth proportional to 106,420.37, 159,559.05 and 42,336.06 is: 63,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,420.37 : 159,559.05 = 42,336.06 : x
  2. Step 2: Convert to fraction form
    106,420.37/159,559.05 = 42,336.06/x
  3. Step 3: Cross multiply
    106,420.37x = 159,559.05 × 42,336.06
  4. Step 4: Simplify right side
    106,420.37x = 6,755,101,514.34
  5. Step 5: Solve for x
    x = 6,755,101,514.34/106,420.37
  6. Step 6: Final answer
    x = 63,475.65

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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.