Home / 86,037.03-118,774.26-53,789.55

Finding the Fourth Proportional to 86,037.03, 118,774.26 and 53,789.55

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Solution

The fourth proportional to 86,037.03, 118,774.26 and 53,789.55 is: 74,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,037.03 : 118,774.26 = 53,789.55 : x
  2. Step 2: Convert to fraction form
    86,037.03/118,774.26 = 53,789.55/x
  3. Step 3: Cross multiply
    86,037.03x = 118,774.26 × 53,789.55
  4. Step 4: Simplify right side
    86,037.03x = 6,388,813,996.98
  5. Step 5: Solve for x
    x = 6,388,813,996.98/86,037.03
  6. Step 6: Final answer
    x = 74,256.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.