Home / 84,627.18-126,941.04-34,698.78

Finding the Fourth Proportional to 84,627.18, 126,941.04 and 34,698.78

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Solution

The fourth proportional to 84,627.18, 126,941.04 and 34,698.78 is: 52,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,627.18 : 126,941.04 = 34,698.78 : x
  2. Step 2: Convert to fraction form
    84,627.18/126,941.04 = 34,698.78/x
  3. Step 3: Cross multiply
    84,627.18x = 126,941.04 × 34,698.78
  4. Step 4: Simplify right side
    84,627.18x = 4,404,699,219.93
  5. Step 5: Solve for x
    x = 4,404,699,219.93/84,627.18
  6. Step 6: Final answer
    x = 52,048.28

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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.