Home / 58,181.25-80,290.13-31,685.25

Finding the Fourth Proportional to 58,181.25, 80,290.13 and 31,685.25

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Solution

The fourth proportional to 58,181.25, 80,290.13 and 31,685.25 is: 43,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,181.25 : 80,290.13 = 31,685.25 : x
  2. Step 2: Convert to fraction form
    58,181.25/80,290.13 = 31,685.25/x
  3. Step 3: Cross multiply
    58,181.25x = 80,290.13 × 31,685.25
  4. Step 4: Simplify right side
    58,181.25x = 2,544,012,683.16
  5. Step 5: Solve for x
    x = 2,544,012,683.16/58,181.25
  6. Step 6: Final answer
    x = 43,725.65

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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.