Home / 106,341.98-159,457.78-31,452.28

Finding the Fourth Proportional to 106,341.98, 159,457.78 and 31,452.28

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Solution

The fourth proportional to 106,341.98, 159,457.78 and 31,452.28 is: 47,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,341.98 : 159,457.78 = 31,452.28 : x
  2. Step 2: Convert to fraction form
    106,341.98/159,457.78 = 31,452.28/x
  3. Step 3: Cross multiply
    106,341.98x = 159,457.78 × 31,452.28
  4. Step 4: Simplify right side
    106,341.98x = 5,015,310,385.41
  5. Step 5: Solve for x
    x = 5,015,310,385.41/106,341.98
  6. Step 6: Final answer
    x = 47,162.10

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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.