Home / 108,519.21-149,762.74-60,772.14

Finding the Fourth Proportional to 108,519.21, 149,762.74 and 60,772.14

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Solution

The fourth proportional to 108,519.21, 149,762.74 and 60,772.14 is: 83,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,519.21 : 149,762.74 = 60,772.14 : x
  2. Step 2: Convert to fraction form
    108,519.21/149,762.74 = 60,772.14/x
  3. Step 3: Cross multiply
    108,519.21x = 149,762.74 × 60,772.14
  4. Step 4: Simplify right side
    108,519.21x = 9,101,402,202.06
  5. Step 5: Solve for x
    x = 9,101,402,202.06/108,519.21
  6. Step 6: Final answer
    x = 83,869.04

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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.