Home / 85,060.36-117,381.30-47,333.80

Finding the Fourth Proportional to 85,060.36, 117,381.30 and 47,333.80

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Solution

The fourth proportional to 85,060.36, 117,381.30 and 47,333.80 is: 65,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,060.36 : 117,381.30 = 47,333.80 : x
  2. Step 2: Convert to fraction form
    85,060.36/117,381.30 = 47,333.80/x
  3. Step 3: Cross multiply
    85,060.36x = 117,381.30 × 47,333.80
  4. Step 4: Simplify right side
    85,060.36x = 5,556,102,977.94
  5. Step 5: Solve for x
    x = 5,556,102,977.94/85,060.36
  6. Step 6: Final answer
    x = 65,319.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.