Home / 78,056.70-117,001.08-33,704.34

Finding the Fourth Proportional to 78,056.70, 117,001.08 and 33,704.34

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Solution

The fourth proportional to 78,056.70, 117,001.08 and 33,704.34 is: 50,520.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,056.70 : 117,001.08 = 33,704.34 : x
  2. Step 2: Convert to fraction form
    78,056.70/117,001.08 = 33,704.34/x
  3. Step 3: Cross multiply
    78,056.70x = 117,001.08 × 33,704.34
  4. Step 4: Simplify right side
    78,056.70x = 3,943,444,180.69
  5. Step 5: Solve for x
    x = 3,943,444,180.69/78,056.70
  6. Step 6: Final answer
    x = 50,520.25

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1.5x scale

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.