Home / 94,993.12-131,069.28-56,742.40

Finding the Fourth Proportional to 94,993.12, 131,069.28 and 56,742.40

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Solution

The fourth proportional to 94,993.12, 131,069.28 and 56,742.40 is: 78,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,993.12 : 131,069.28 = 56,742.40 : x
  2. Step 2: Convert to fraction form
    94,993.12/131,069.28 = 56,742.40/x
  3. Step 3: Cross multiply
    94,993.12x = 131,069.28 × 56,742.40
  4. Step 4: Simplify right side
    94,993.12x = 7,437,185,513.47
  5. Step 5: Solve for x
    x = 7,437,185,513.47/94,993.12
  6. Step 6: Final answer
    x = 78,291.83

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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.