Home / 103,525.07-155,320.43-36,963.72

Finding the Fourth Proportional to 103,525.07, 155,320.43 and 36,963.72

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Solution

The fourth proportional to 103,525.07, 155,320.43 and 36,963.72 is: 55,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,525.07 : 155,320.43 = 36,963.72 : x
  2. Step 2: Convert to fraction form
    103,525.07/155,320.43 = 36,963.72/x
  3. Step 3: Cross multiply
    103,525.07x = 155,320.43 × 36,963.72
  4. Step 4: Simplify right side
    103,525.07x = 5,741,220,699.98
  5. Step 5: Solve for x
    x = 5,741,220,699.98/103,525.07
  6. Step 6: Final answer
    x = 55,457.30

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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.