Home / 107,564.16-161,247.84-45,239.04

Finding the Fourth Proportional to 107,564.16, 161,247.84 and 45,239.04

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Solution

The fourth proportional to 107,564.16, 161,247.84 and 45,239.04 is: 67,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,564.16 : 161,247.84 = 45,239.04 : x
  2. Step 2: Convert to fraction form
    107,564.16/161,247.84 = 45,239.04/x
  3. Step 3: Cross multiply
    107,564.16x = 161,247.84 × 45,239.04
  4. Step 4: Simplify right side
    107,564.16x = 7,294,697,483.67
  5. Step 5: Solve for x
    x = 7,294,697,483.67/107,564.16
  6. Step 6: Final answer
    x = 67,817.18

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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.