Home / 103,619.18-155,390.70-37,041.26

Finding the Fourth Proportional to 103,619.18, 155,390.70 and 37,041.26

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Solution

The fourth proportional to 103,619.18, 155,390.70 and 37,041.26 is: 55,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,619.18 : 155,390.70 = 37,041.26 : x
  2. Step 2: Convert to fraction form
    103,619.18/155,390.70 = 37,041.26/x
  3. Step 3: Cross multiply
    103,619.18x = 155,390.70 × 37,041.26
  4. Step 4: Simplify right side
    103,619.18x = 5,755,867,320.28
  5. Step 5: Solve for x
    x = 5,755,867,320.28/103,619.18
  6. Step 6: Final answer
    x = 55,548.28

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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.