Home / 90,650.34-125,095.59-50,361.75

Finding the Fourth Proportional to 90,650.34, 125,095.59 and 50,361.75

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Solution

The fourth proportional to 90,650.34, 125,095.59 and 50,361.75 is: 69,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,650.34 : 125,095.59 = 50,361.75 : x
  2. Step 2: Convert to fraction form
    90,650.34/125,095.59 = 50,361.75/x
  3. Step 3: Cross multiply
    90,650.34x = 125,095.59 × 50,361.75
  4. Step 4: Simplify right side
    90,650.34x = 6,300,032,829.68
  5. Step 5: Solve for x
    x = 6,300,032,829.68/90,650.34
  6. Step 6: Final answer
    x = 69,498.17

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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.