Home / 70,285.96-96,992.21-40,081.00

Finding the Fourth Proportional to 70,285.96, 96,992.21 and 40,081.00

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Solution

The fourth proportional to 70,285.96, 96,992.21 and 40,081.00 is: 55,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,285.96 : 96,992.21 = 40,081.00 : x
  2. Step 2: Convert to fraction form
    70,285.96/96,992.21 = 40,081.00/x
  3. Step 3: Cross multiply
    70,285.96x = 96,992.21 × 40,081.00
  4. Step 4: Simplify right side
    70,285.96x = 3,887,544,326.12
  5. Step 5: Solve for x
    x = 3,887,544,326.12/70,285.96
  6. Step 6: Final answer
    x = 55,310.40

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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.