Home / 52,785.90-79,181.56-13,343.34

Finding the Fourth Proportional to 52,785.90, 79,181.56 and 13,343.34

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Solution

The fourth proportional to 52,785.90, 79,181.56 and 13,343.34 is: 20,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,785.90 : 79,181.56 = 13,343.34 : x
  2. Step 2: Convert to fraction form
    52,785.90/79,181.56 = 13,343.34/x
  3. Step 3: Cross multiply
    52,785.90x = 79,181.56 × 13,343.34
  4. Step 4: Simplify right side
    52,785.90x = 1,056,546,476.81
  5. Step 5: Solve for x
    x = 1,056,546,476.81/52,785.90
  6. Step 6: Final answer
    x = 20,015.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.