Home / 121,027.68-167,022.82-67,316.58

Finding the Fourth Proportional to 121,027.68, 167,022.82 and 67,316.58

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Solution

The fourth proportional to 121,027.68, 167,022.82 and 67,316.58 is: 92,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,027.68 : 167,022.82 = 67,316.58 : x
  2. Step 2: Convert to fraction form
    121,027.68/167,022.82 = 67,316.58/x
  3. Step 3: Cross multiply
    121,027.68x = 167,022.82 × 67,316.58
  4. Step 4: Simplify right side
    121,027.68x = 11,243,405,024.36
  5. Step 5: Solve for x
    x = 11,243,405,024.36/121,027.68
  6. Step 6: Final answer
    x = 92,899.45

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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.