Home / 102,533.55-153,849.33-55,786.38

Finding the Fourth Proportional to 102,533.55, 153,849.33 and 55,786.38

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Solution

The fourth proportional to 102,533.55, 153,849.33 and 55,786.38 is: 83,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,533.55 : 153,849.33 = 55,786.38 : x
  2. Step 2: Convert to fraction form
    102,533.55/153,849.33 = 55,786.38/x
  3. Step 3: Cross multiply
    102,533.55x = 153,849.33 × 55,786.38
  4. Step 4: Simplify right side
    102,533.55x = 8,582,697,186.13
  5. Step 5: Solve for x
    x = 8,582,697,186.13/102,533.55
  6. Step 6: Final answer
    x = 83,706.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.