Home / 104,917.53-157,422.81-54,985.75

Finding the Fourth Proportional to 104,917.53, 157,422.81 and 54,985.75

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Solution

The fourth proportional to 104,917.53, 157,422.81 and 54,985.75 is: 82,503.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,917.53 : 157,422.81 = 54,985.75 : x
  2. Step 2: Convert to fraction form
    104,917.53/157,422.81 = 54,985.75/x
  3. Step 3: Cross multiply
    104,917.53x = 157,422.81 × 54,985.75
  4. Step 4: Simplify right side
    104,917.53x = 8,656,011,274.96
  5. Step 5: Solve for x
    x = 8,656,011,274.96/104,917.53
  6. Step 6: Final answer
    x = 82,503.00

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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.