Home / 47,122.75-65,011.37-34,887.30

Finding the Fourth Proportional to 47,122.75, 65,011.37 and 34,887.30

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Solution

The fourth proportional to 47,122.75, 65,011.37 and 34,887.30 is: 48,131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,122.75 : 65,011.37 = 34,887.30 : x
  2. Step 2: Convert to fraction form
    47,122.75/65,011.37 = 34,887.30/x
  3. Step 3: Cross multiply
    47,122.75x = 65,011.37 × 34,887.30
  4. Step 4: Simplify right side
    47,122.75x = 2,268,071,168.60
  5. Step 5: Solve for x
    x = 2,268,071,168.60/47,122.75
  6. Step 6: Final answer
    x = 48,131.13

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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.