Home / 106,434.89-159,652.96-31,555.69

Finding the Fourth Proportional to 106,434.89, 159,652.96 and 31,555.69

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Solution

The fourth proportional to 106,434.89, 159,652.96 and 31,555.69 is: 47,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,434.89 : 159,652.96 = 31,555.69 : x
  2. Step 2: Convert to fraction form
    106,434.89/159,652.96 = 31,555.69/x
  3. Step 3: Cross multiply
    106,434.89x = 159,652.96 × 31,555.69
  4. Step 4: Simplify right side
    106,434.89x = 5,037,958,515.08
  5. Step 5: Solve for x
    x = 5,037,958,515.08/106,434.89
  6. Step 6: Final answer
    x = 47,333.72

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1.5x scale

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.