Home / 106,337.64-159,537.60-31,459.80

Finding the Fourth Proportional to 106,337.64, 159,537.60 and 31,459.80

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Solution

The fourth proportional to 106,337.64, 159,537.60 and 31,459.80 is: 47,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,337.64 : 159,537.60 = 31,459.80 : x
  2. Step 2: Convert to fraction form
    106,337.64/159,537.60 = 31,459.80/x
  3. Step 3: Cross multiply
    106,337.64x = 159,537.60 × 31,459.80
  4. Step 4: Simplify right side
    106,337.64x = 5,019,020,988.48
  5. Step 5: Solve for x
    x = 5,019,020,988.48/106,337.64
  6. Step 6: Final answer
    x = 47,198.91

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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.