Home / 90,559.56-125,091.90-75,501.48

Finding the Fourth Proportional to 90,559.56, 125,091.90 and 75,501.48

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Solution

The fourth proportional to 90,559.56, 125,091.90 and 75,501.48 is: 104,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,559.56 : 125,091.90 = 75,501.48 : x
  2. Step 2: Convert to fraction form
    90,559.56/125,091.90 = 75,501.48/x
  3. Step 3: Cross multiply
    90,559.56x = 125,091.90 × 75,501.48
  4. Step 4: Simplify right side
    90,559.56x = 9,444,623,586.01
  5. Step 5: Solve for x
    x = 9,444,623,586.01/90,559.56
  6. Step 6: Final answer
    x = 104,291.84

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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.