Home / 86,580.03-119,500.34-50,781.58

Finding the Fourth Proportional to 86,580.03, 119,500.34 and 50,781.58

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Solution

The fourth proportional to 86,580.03, 119,500.34 and 50,781.58 is: 70,090.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,580.03 : 119,500.34 = 50,781.58 : x
  2. Step 2: Convert to fraction form
    86,580.03/119,500.34 = 50,781.58/x
  3. Step 3: Cross multiply
    86,580.03x = 119,500.34 × 50,781.58
  4. Step 4: Simplify right side
    86,580.03x = 6,068,415,224.33
  5. Step 5: Solve for x
    x = 6,068,415,224.33/86,580.03
  6. Step 6: Final answer
    x = 70,090.24

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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.