Home / 64,905.40-97,351.62-18,158.68

Finding the Fourth Proportional to 64,905.40, 97,351.62 and 18,158.68

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Solution

The fourth proportional to 64,905.40, 97,351.62 and 18,158.68 is: 27,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,905.40 : 97,351.62 = 18,158.68 : x
  2. Step 2: Convert to fraction form
    64,905.40/97,351.62 = 18,158.68/x
  3. Step 3: Cross multiply
    64,905.40x = 97,351.62 × 18,158.68
  4. Step 4: Simplify right side
    64,905.40x = 1,767,776,915.06
  5. Step 5: Solve for x
    x = 1,767,776,915.06/64,905.40
  6. Step 6: Final answer
    x = 27,236.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.