Home / 75,968.24-113,943.40-47,805.20

Finding the Fourth Proportional to 75,968.24, 113,943.40 and 47,805.20

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Solution

The fourth proportional to 75,968.24, 113,943.40 and 47,805.20 is: 71,702.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,968.24 : 113,943.40 = 47,805.20 : x
  2. Step 2: Convert to fraction form
    75,968.24/113,943.40 = 47,805.20/x
  3. Step 3: Cross multiply
    75,968.24x = 113,943.40 × 47,805.20
  4. Step 4: Simplify right side
    75,968.24x = 5,447,087,025.68
  5. Step 5: Solve for x
    x = 5,447,087,025.68/75,968.24
  6. Step 6: Final answer
    x = 71,702.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.