Home / 111,525.45-153,905.21-60,538.14

Finding the Fourth Proportional to 111,525.45, 153,905.21 and 60,538.14

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Solution

The fourth proportional to 111,525.45, 153,905.21 and 60,538.14 is: 83,542.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,525.45 : 153,905.21 = 60,538.14 : x
  2. Step 2: Convert to fraction form
    111,525.45/153,905.21 = 60,538.14/x
  3. Step 3: Cross multiply
    111,525.45x = 153,905.21 × 60,538.14
  4. Step 4: Simplify right side
    111,525.45x = 9,317,134,847.02
  5. Step 5: Solve for x
    x = 9,317,134,847.02/111,525.45
  6. Step 6: Final answer
    x = 83,542.68

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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.