Home / 65,600.23-90,525.71-38,751.36

Finding the Fourth Proportional to 65,600.23, 90,525.71 and 38,751.36

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Solution

The fourth proportional to 65,600.23, 90,525.71 and 38,751.36 is: 53,475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,600.23 : 90,525.71 = 38,751.36 : x
  2. Step 2: Convert to fraction form
    65,600.23/90,525.71 = 38,751.36/x
  3. Step 3: Cross multiply
    65,600.23x = 90,525.71 × 38,751.36
  4. Step 4: Simplify right side
    65,600.23x = 3,507,994,183.71
  5. Step 5: Solve for x
    x = 3,507,994,183.71/65,600.23
  6. Step 6: Final answer
    x = 53,475.34

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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.