Home / 85,727.28-118,297.04-47,996.40

Finding the Fourth Proportional to 85,727.28, 118,297.04 and 47,996.40

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Solution

The fourth proportional to 85,727.28, 118,297.04 and 47,996.40 is: 66,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,727.28 : 118,297.04 = 47,996.40 : x
  2. Step 2: Convert to fraction form
    85,727.28/118,297.04 = 47,996.40/x
  3. Step 3: Cross multiply
    85,727.28x = 118,297.04 × 47,996.40
  4. Step 4: Simplify right side
    85,727.28x = 5,677,832,050.66
  5. Step 5: Solve for x
    x = 5,677,832,050.66/85,727.28
  6. Step 6: Final answer
    x = 66,231.33

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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.