Home / 86,945.96-119,989.91-48,703.27

Finding the Fourth Proportional to 86,945.96, 119,989.91 and 48,703.27

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Solution

The fourth proportional to 86,945.96, 119,989.91 and 48,703.27 is: 67,213.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,945.96 : 119,989.91 = 48,703.27 : x
  2. Step 2: Convert to fraction form
    86,945.96/119,989.91 = 48,703.27/x
  3. Step 3: Cross multiply
    86,945.96x = 119,989.91 × 48,703.27
  4. Step 4: Simplify right side
    86,945.96x = 5,843,900,805.79
  5. Step 5: Solve for x
    x = 5,843,900,805.79/86,945.96
  6. Step 6: Final answer
    x = 67,213.03

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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.