Home / 70,012.22-96,622.62-39,807.06

Finding the Fourth Proportional to 70,012.22, 96,622.62 and 39,807.06

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Solution

The fourth proportional to 70,012.22, 96,622.62 and 39,807.06 is: 54,937.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,012.22 : 96,622.62 = 39,807.06 : x
  2. Step 2: Convert to fraction form
    70,012.22/96,622.62 = 39,807.06/x
  3. Step 3: Cross multiply
    70,012.22x = 96,622.62 × 39,807.06
  4. Step 4: Simplify right side
    70,012.22x = 3,846,262,431.70
  5. Step 5: Solve for x
    x = 3,846,262,431.70/70,012.22
  6. Step 6: Final answer
    x = 54,937.02

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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.