Home / 103,636.85-155,455.28-37,108.85

Finding the Fourth Proportional to 103,636.85, 155,455.28 and 37,108.85

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Solution

The fourth proportional to 103,636.85, 155,455.28 and 37,108.85 is: 55,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,636.85 : 155,455.28 = 37,108.85 : x
  2. Step 2: Convert to fraction form
    103,636.85/155,455.28 = 37,108.85/x
  3. Step 3: Cross multiply
    103,636.85x = 155,455.28 × 37,108.85
  4. Step 4: Simplify right side
    103,636.85x = 5,768,766,667.23
  5. Step 5: Solve for x
    x = 5,768,766,667.23/103,636.85
  6. Step 6: Final answer
    x = 55,663.28

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1.5x scale

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.