Home / 86,724.96-119,682.76-48,998.40

Finding the Fourth Proportional to 86,724.96, 119,682.76 and 48,998.40

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Solution

The fourth proportional to 86,724.96, 119,682.76 and 48,998.40 is: 67,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,724.96 : 119,682.76 = 48,998.40 : x
  2. Step 2: Convert to fraction form
    86,724.96/119,682.76 = 48,998.40/x
  3. Step 3: Cross multiply
    86,724.96x = 119,682.76 × 48,998.40
  4. Step 4: Simplify right side
    86,724.96x = 5,864,263,747.58
  5. Step 5: Solve for x
    x = 5,864,263,747.58/86,724.96
  6. Step 6: Final answer
    x = 67,619.10

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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.