Home / 97,941.20-146,933.40-31,384.40

Finding the Fourth Proportional to 97,941.20, 146,933.40 and 31,384.40

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Solution

The fourth proportional to 97,941.20, 146,933.40 and 31,384.40 is: 47,083.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,941.20 : 146,933.40 = 31,384.40 : x
  2. Step 2: Convert to fraction form
    97,941.20/146,933.40 = 31,384.40/x
  3. Step 3: Cross multiply
    97,941.20x = 146,933.40 × 31,384.40
  4. Step 4: Simplify right side
    97,941.20x = 4,611,416,598.96
  5. Step 5: Solve for x
    x = 4,611,416,598.96/97,941.20
  6. Step 6: Final answer
    x = 47,083.52

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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.