Home / 85,705.06-118,272.99-52,171.06

Finding the Fourth Proportional to 85,705.06, 118,272.99 and 52,171.06

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Solution

The fourth proportional to 85,705.06, 118,272.99 and 52,171.06 is: 71,996.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,705.06 : 118,272.99 = 52,171.06 : x
  2. Step 2: Convert to fraction form
    85,705.06/118,272.99 = 52,171.06/x
  3. Step 3: Cross multiply
    85,705.06x = 118,272.99 × 52,171.06
  4. Step 4: Simplify right side
    85,705.06x = 6,170,427,257.67
  5. Step 5: Solve for x
    x = 6,170,427,257.67/85,705.06
  6. Step 6: Final answer
    x = 71,996.07

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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.