Home / 57,968.88-86,434.08-56,919.12

Finding the Fourth Proportional to 57,968.88, 86,434.08 and 56,919.12

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Solution

The fourth proportional to 57,968.88, 86,434.08 and 56,919.12 is: 84,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,968.88 : 86,434.08 = 56,919.12 : x
  2. Step 2: Convert to fraction form
    57,968.88/86,434.08 = 56,919.12/x
  3. Step 3: Cross multiply
    57,968.88x = 86,434.08 × 56,919.12
  4. Step 4: Simplify right side
    57,968.88x = 4,919,751,771.61
  5. Step 5: Solve for x
    x = 4,919,751,771.61/57,968.88
  6. Step 6: Final answer
    x = 84,868.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.