Home / 90,586.00-125,020.21-54,776.26

Finding the Fourth Proportional to 90,586.00, 125,020.21 and 54,776.26

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Solution

The fourth proportional to 90,586.00, 125,020.21 and 54,776.26 is: 75,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,586.00 : 125,020.21 = 54,776.26 : x
  2. Step 2: Convert to fraction form
    90,586.00/125,020.21 = 54,776.26/x
  3. Step 3: Cross multiply
    90,586.00x = 125,020.21 × 54,776.26
  4. Step 4: Simplify right side
    90,586.00x = 6,848,139,254.33
  5. Step 5: Solve for x
    x = 6,848,139,254.33/90,586.00
  6. Step 6: Final answer
    x = 75,598.21

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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.