Home / 82,693.55-114,181.36-63,543.12

Finding the Fourth Proportional to 82,693.55, 114,181.36 and 63,543.12

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Solution

The fourth proportional to 82,693.55, 114,181.36 and 63,543.12 is: 87,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,693.55 : 114,181.36 = 63,543.12 : x
  2. Step 2: Convert to fraction form
    82,693.55/114,181.36 = 63,543.12/x
  3. Step 3: Cross multiply
    82,693.55x = 114,181.36 × 63,543.12
  4. Step 4: Simplify right side
    82,693.55x = 7,255,439,860.24
  5. Step 5: Solve for x
    x = 7,255,439,860.24/82,693.55
  6. Step 6: Final answer
    x = 87,738.88

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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.