Home / 90,594.35-125,023.42-50,308.80

Finding the Fourth Proportional to 90,594.35, 125,023.42 and 50,308.80

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Solution

The fourth proportional to 90,594.35, 125,023.42 and 50,308.80 is: 69,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,594.35 : 125,023.42 = 50,308.80 : x
  2. Step 2: Convert to fraction form
    90,594.35/125,023.42 = 50,308.80/x
  3. Step 3: Cross multiply
    90,594.35x = 125,023.42 × 50,308.80
  4. Step 4: Simplify right side
    90,594.35x = 6,289,778,294.98
  5. Step 5: Solve for x
    x = 6,289,778,294.98/90,594.35
  6. Step 6: Final answer
    x = 69,427.93

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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.