Home / 111,608.90-154,021.41-60,622.63

Finding the Fourth Proportional to 111,608.90, 154,021.41 and 60,622.63

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Solution

The fourth proportional to 111,608.90, 154,021.41 and 60,622.63 is: 83,659.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,608.90 : 154,021.41 = 60,622.63 : x
  2. Step 2: Convert to fraction form
    111,608.90/154,021.41 = 60,622.63/x
  3. Step 3: Cross multiply
    111,608.90x = 154,021.41 × 60,622.63
  4. Step 4: Simplify right side
    111,608.90x = 9,337,182,950.51
  5. Step 5: Solve for x
    x = 9,337,182,950.51/111,608.90
  6. Step 6: Final answer
    x = 83,659.84

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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.