Home / 86,688.22-119,628.33-48,448.30

Finding the Fourth Proportional to 86,688.22, 119,628.33 and 48,448.30

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Solution

The fourth proportional to 86,688.22, 119,628.33 and 48,448.30 is: 66,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,688.22 : 119,628.33 = 48,448.30 : x
  2. Step 2: Convert to fraction form
    86,688.22/119,628.33 = 48,448.30/x
  3. Step 3: Cross multiply
    86,688.22x = 119,628.33 × 48,448.30
  4. Step 4: Simplify right side
    86,688.22x = 5,795,789,220.34
  5. Step 5: Solve for x
    x = 5,795,789,220.34/86,688.22
  6. Step 6: Final answer
    x = 66,857.86

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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.