Home / 103,462.19-155,205.43-36,911.78

Finding the Fourth Proportional to 103,462.19, 155,205.43 and 36,911.78

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Solution

The fourth proportional to 103,462.19, 155,205.43 and 36,911.78 is: 55,372.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,462.19 : 155,205.43 = 36,911.78 : x
  2. Step 2: Convert to fraction form
    103,462.19/155,205.43 = 36,911.78/x
  3. Step 3: Cross multiply
    103,462.19x = 155,205.43 × 36,911.78
  4. Step 4: Simplify right side
    103,462.19x = 5,728,908,686.97
  5. Step 5: Solve for x
    x = 5,728,908,686.97/103,462.19
  6. Step 6: Final answer
    x = 55,372.00

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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.