Home / 108,289.25-149,431.57-62,964.02

Finding the Fourth Proportional to 108,289.25, 149,431.57 and 62,964.02

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Solution

The fourth proportional to 108,289.25, 149,431.57 and 62,964.02 is: 86,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,289.25 : 149,431.57 = 62,964.02 : x
  2. Step 2: Convert to fraction form
    108,289.25/149,431.57 = 62,964.02/x
  3. Step 3: Cross multiply
    108,289.25x = 149,431.57 × 62,964.02
  4. Step 4: Simplify right side
    108,289.25x = 9,408,812,362.11
  5. Step 5: Solve for x
    x = 9,408,812,362.11/108,289.25
  6. Step 6: Final answer
    x = 86,885.93

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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.