Home / 108,551.14-149,873.66-67,777.34

Finding the Fourth Proportional to 108,551.14, 149,873.66 and 67,777.34

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Solution

The fourth proportional to 108,551.14, 149,873.66 and 67,777.34 is: 93,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,551.14 : 149,873.66 = 67,777.34 : x
  2. Step 2: Convert to fraction form
    108,551.14/149,873.66 = 67,777.34/x
  3. Step 3: Cross multiply
    108,551.14x = 149,873.66 × 67,777.34
  4. Step 4: Simplify right side
    108,551.14x = 10,158,038,010.86
  5. Step 5: Solve for x
    x = 10,158,038,010.86/108,551.14
  6. Step 6: Final answer
    x = 93,578.36

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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.