Home / 111,757.08-154,224.95-60,769.76

Finding the Fourth Proportional to 111,757.08, 154,224.95 and 60,769.76

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Solution

The fourth proportional to 111,757.08, 154,224.95 and 60,769.76 is: 83,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,757.08 : 154,224.95 = 60,769.76 : x
  2. Step 2: Convert to fraction form
    111,757.08/154,224.95 = 60,769.76/x
  3. Step 3: Cross multiply
    111,757.08x = 154,224.95 × 60,769.76
  4. Step 4: Simplify right side
    111,757.08x = 9,372,212,122.54
  5. Step 5: Solve for x
    x = 9,372,212,122.54/111,757.08
  6. Step 6: Final answer
    x = 83,862.36

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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.