Home / 103,655.10-155,515.52-37,093.75

Finding the Fourth Proportional to 103,655.10, 155,515.52 and 37,093.75

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Solution

The fourth proportional to 103,655.10, 155,515.52 and 37,093.75 is: 55,652.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,655.10 : 155,515.52 = 37,093.75 : x
  2. Step 2: Convert to fraction form
    103,655.10/155,515.52 = 37,093.75/x
  3. Step 3: Cross multiply
    103,655.10x = 155,515.52 × 37,093.75
  4. Step 4: Simplify right side
    103,655.10x = 5,768,653,820
  5. Step 5: Solve for x
    x = 5,768,653,820/103,655.10
  6. Step 6: Final answer
    x = 55,652.39

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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.