Home / 111,790.36-154,271.10-60,803.08

Finding the Fourth Proportional to 111,790.36, 154,271.10 and 60,803.08

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Solution

The fourth proportional to 111,790.36, 154,271.10 and 60,803.08 is: 83,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,790.36 : 154,271.10 = 60,803.08 : x
  2. Step 2: Convert to fraction form
    111,790.36/154,271.10 = 60,803.08/x
  3. Step 3: Cross multiply
    111,790.36x = 154,271.10 × 60,803.08
  4. Step 4: Simplify right side
    111,790.36x = 9,380,158,034.99
  5. Step 5: Solve for x
    x = 9,380,158,034.99/111,790.36
  6. Step 6: Final answer
    x = 83,908.47

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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.