Home / 106,341.72-159,539.88-31,458.84

Finding the Fourth Proportional to 106,341.72, 159,539.88 and 31,458.84

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Solution

The fourth proportional to 106,341.72, 159,539.88 and 31,458.84 is: 47,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,341.72 : 159,539.88 = 31,458.84 : x
  2. Step 2: Convert to fraction form
    106,341.72/159,539.88 = 31,458.84/x
  3. Step 3: Cross multiply
    106,341.72x = 159,539.88 × 31,458.84
  4. Step 4: Simplify right side
    106,341.72x = 5,018,939,558.54
  5. Step 5: Solve for x
    x = 5,018,939,558.54/106,341.72
  6. Step 6: Final answer
    x = 47,196.34

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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.