Home / 123,084.90-184,627.35-70,457.31

Finding the Fourth Proportional to 123,084.90, 184,627.35 and 70,457.31

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Solution

The fourth proportional to 123,084.90, 184,627.35 and 70,457.31 is: 105,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,084.90 : 184,627.35 = 70,457.31 : x
  2. Step 2: Convert to fraction form
    123,084.90/184,627.35 = 70,457.31/x
  3. Step 3: Cross multiply
    123,084.90x = 184,627.35 × 70,457.31
  4. Step 4: Simplify right side
    123,084.90x = 13,008,346,433.43
  5. Step 5: Solve for x
    x = 13,008,346,433.43/123,084.90
  6. Step 6: Final answer
    x = 105,685.97

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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.