Home / 74,027.04-111,040.40-21,436.48

Finding the Fourth Proportional to 74,027.04, 111,040.40 and 21,436.48

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Solution

The fourth proportional to 74,027.04, 111,040.40 and 21,436.48 is: 32,154.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,027.04 : 111,040.40 = 21,436.48 : x
  2. Step 2: Convert to fraction form
    74,027.04/111,040.40 = 21,436.48/x
  3. Step 3: Cross multiply
    74,027.04x = 111,040.40 × 21,436.48
  4. Step 4: Simplify right side
    74,027.04x = 2,380,315,313.79
  5. Step 5: Solve for x
    x = 2,380,315,313.79/74,027.04
  6. Step 6: Final answer
    x = 32,154.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.