Home / 104,981.94-157,563.90-55,097.28

Finding the Fourth Proportional to 104,981.94, 157,563.90 and 55,097.28

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Solution

The fourth proportional to 104,981.94, 157,563.90 and 55,097.28 is: 82,693.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,981.94 : 157,563.90 = 55,097.28 : x
  2. Step 2: Convert to fraction form
    104,981.94/157,563.90 = 55,097.28/x
  3. Step 3: Cross multiply
    104,981.94x = 157,563.90 × 55,097.28
  4. Step 4: Simplify right side
    104,981.94x = 8,681,342,316.19
  5. Step 5: Solve for x
    x = 8,681,342,316.19/104,981.94
  6. Step 6: Final answer
    x = 82,693.67

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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.