Home / 77,025.90-106,238.88-48,704.25

Finding the Fourth Proportional to 77,025.90, 106,238.88 and 48,704.25

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Solution

The fourth proportional to 77,025.90, 106,238.88 and 48,704.25 is: 67,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,025.90 : 106,238.88 = 48,704.25 : x
  2. Step 2: Convert to fraction form
    77,025.90/106,238.88 = 48,704.25/x
  3. Step 3: Cross multiply
    77,025.90x = 106,238.88 × 48,704.25
  4. Step 4: Simplify right side
    77,025.90x = 5,174,284,971.24
  5. Step 5: Solve for x
    x = 5,174,284,971.24/77,025.90
  6. Step 6: Final answer
    x = 67,175.91

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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.