Home / 69,881.40-104,676.30-52,327.08

Finding the Fourth Proportional to 69,881.40, 104,676.30 and 52,327.08

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Solution

The fourth proportional to 69,881.40, 104,676.30 and 52,327.08 is: 78,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,881.40 : 104,676.30 = 52,327.08 : x
  2. Step 2: Convert to fraction form
    69,881.40/104,676.30 = 52,327.08/x
  3. Step 3: Cross multiply
    69,881.40x = 104,676.30 × 52,327.08
  4. Step 4: Simplify right side
    69,881.40x = 5,477,405,124.20
  5. Step 5: Solve for x
    x = 5,477,405,124.20/69,881.40
  6. Step 6: Final answer
    x = 78,381.45

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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.