Home / 98,941.18-148,410.20-31,472.26

Finding the Fourth Proportional to 98,941.18, 148,410.20 and 31,472.26

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Solution

The fourth proportional to 98,941.18, 148,410.20 and 31,472.26 is: 47,207.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,941.18 : 148,410.20 = 31,472.26 : x
  2. Step 2: Convert to fraction form
    98,941.18/148,410.20 = 31,472.26/x
  3. Step 3: Cross multiply
    98,941.18x = 148,410.20 × 31,472.26
  4. Step 4: Simplify right side
    98,941.18x = 4,670,804,401.05
  5. Step 5: Solve for x
    x = 4,670,804,401.05/98,941.18
  6. Step 6: Final answer
    x = 47,207.89

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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.