Home / 56,771.79-78,345.09-32,912.33

Finding the Fourth Proportional to 56,771.79, 78,345.09 and 32,912.33

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Solution

The fourth proportional to 56,771.79, 78,345.09 and 32,912.33 is: 45,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771.79 : 78,345.09 = 32,912.33 : x
  2. Step 2: Convert to fraction form
    56,771.79/78,345.09 = 32,912.33/x
  3. Step 3: Cross multiply
    56,771.79x = 78,345.09 × 32,912.33
  4. Step 4: Simplify right side
    56,771.79x = 2,578,519,064.23
  5. Step 5: Solve for x
    x = 2,578,519,064.23/56,771.79
  6. Step 6: Final answer
    x = 45,419.02

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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.