Home / 90,851.22-125,377.47-50,567.22

Finding the Fourth Proportional to 90,851.22, 125,377.47 and 50,567.22

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Solution

The fourth proportional to 90,851.22, 125,377.47 and 50,567.22 is: 69,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,851.22 : 125,377.47 = 50,567.22 : x
  2. Step 2: Convert to fraction form
    90,851.22/125,377.47 = 50,567.22/x
  3. Step 3: Cross multiply
    90,851.22x = 125,377.47 × 50,567.22
  4. Step 4: Simplify right side
    90,851.22x = 6,339,990,108.53
  5. Step 5: Solve for x
    x = 6,339,990,108.53/90,851.22
  6. Step 6: Final answer
    x = 69,784.31

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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.