Home / 103,669.86-155,537.64-37,108.50

Finding the Fourth Proportional to 103,669.86, 155,537.64 and 37,108.50

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Solution

The fourth proportional to 103,669.86, 155,537.64 and 37,108.50 is: 55,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,669.86 : 155,537.64 = 37,108.50 : x
  2. Step 2: Convert to fraction form
    103,669.86/155,537.64 = 37,108.50/x
  3. Step 3: Cross multiply
    103,669.86x = 155,537.64 × 37,108.50
  4. Step 4: Simplify right side
    103,669.86x = 5,771,768,513.94
  5. Step 5: Solve for x
    x = 5,771,768,513.94/103,669.86
  6. Step 6: Final answer
    x = 55,674.51

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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.