Home / 90,580.65-125,004.48-50,295.03

Finding the Fourth Proportional to 90,580.65, 125,004.48 and 50,295.03

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Solution

The fourth proportional to 90,580.65, 125,004.48 and 50,295.03 is: 69,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,580.65 : 125,004.48 = 50,295.03 : x
  2. Step 2: Convert to fraction form
    90,580.65/125,004.48 = 50,295.03/x
  3. Step 3: Cross multiply
    90,580.65x = 125,004.48 × 50,295.03
  4. Step 4: Simplify right side
    90,580.65x = 6,287,104,071.73
  5. Step 5: Solve for x
    x = 6,287,104,071.73/90,580.65
  6. Step 6: Final answer
    x = 69,408.91

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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.