Home / 103,635.09-155,397.27-37,038.90

Finding the Fourth Proportional to 103,635.09, 155,397.27 and 37,038.90

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Solution

The fourth proportional to 103,635.09, 155,397.27 and 37,038.90 is: 55,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635.09 : 155,397.27 = 37,038.90 : x
  2. Step 2: Convert to fraction form
    103,635.09/155,397.27 = 37,038.90/x
  3. Step 3: Cross multiply
    103,635.09x = 155,397.27 × 37,038.90
  4. Step 4: Simplify right side
    103,635.09x = 5,755,743,943.80
  5. Step 5: Solve for x
    x = 5,755,743,943.80/103,635.09
  6. Step 6: Final answer
    x = 55,538.56

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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.