Home / 85,995.96-118,685.40-48,270.24

Finding the Fourth Proportional to 85,995.96, 118,685.40 and 48,270.24

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Solution

The fourth proportional to 85,995.96, 118,685.40 and 48,270.24 is: 66,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,995.96 : 118,685.40 = 48,270.24 : x
  2. Step 2: Convert to fraction form
    85,995.96/118,685.40 = 48,270.24/x
  3. Step 3: Cross multiply
    85,995.96x = 118,685.40 × 48,270.24
  4. Step 4: Simplify right side
    85,995.96x = 5,728,972,742.50
  5. Step 5: Solve for x
    x = 5,728,972,742.50/85,995.96
  6. Step 6: Final answer
    x = 66,619.09

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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.