Home / 86,037.60-118,775.04-53,790.12

Finding the Fourth Proportional to 86,037.60, 118,775.04 and 53,790.12

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Solution

The fourth proportional to 86,037.60, 118,775.04 and 53,790.12 is: 74,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,037.60 : 118,775.04 = 53,790.12 : x
  2. Step 2: Convert to fraction form
    86,037.60/118,775.04 = 53,790.12/x
  3. Step 3: Cross multiply
    86,037.60x = 118,775.04 × 53,790.12
  4. Step 4: Simplify right side
    86,037.60x = 6,388,923,654.60
  5. Step 5: Solve for x
    x = 6,388,923,654.60/86,037.60
  6. Step 6: Final answer
    x = 74,257.34

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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.