Home / 86,226.47-118,991.30-48,500.63

Finding the Fourth Proportional to 86,226.47, 118,991.30 and 48,500.63

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Solution

The fourth proportional to 86,226.47, 118,991.30 and 48,500.63 is: 66,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,226.47 : 118,991.30 = 48,500.63 : x
  2. Step 2: Convert to fraction form
    86,226.47/118,991.30 = 48,500.63/x
  3. Step 3: Cross multiply
    86,226.47x = 118,991.30 × 48,500.63
  4. Step 4: Simplify right side
    86,226.47x = 5,771,152,419.56
  5. Step 5: Solve for x
    x = 5,771,152,419.56/86,226.47
  6. Step 6: Final answer
    x = 66,930.18

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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.