Home / 57,749.75-86,624.63-13,973.75

Finding the Fourth Proportional to 57,749.75, 86,624.63 and 13,973.75

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Solution

The fourth proportional to 57,749.75, 86,624.63 and 13,973.75 is: 20,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,749.75 : 86,624.63 = 13,973.75 : x
  2. Step 2: Convert to fraction form
    57,749.75/86,624.63 = 13,973.75/x
  3. Step 3: Cross multiply
    57,749.75x = 86,624.63 × 13,973.75
  4. Step 4: Simplify right side
    57,749.75x = 1,210,470,923.46
  5. Step 5: Solve for x
    x = 1,210,470,923.46/57,749.75
  6. Step 6: Final answer
    x = 20,960.63

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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.