Home / 98,041.62-135,289.53-55,604.10

Finding the Fourth Proportional to 98,041.62, 135,289.53 and 55,604.10

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Solution

The fourth proportional to 98,041.62, 135,289.53 and 55,604.10 is: 76,729.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,041.62 : 135,289.53 = 55,604.10 : x
  2. Step 2: Convert to fraction form
    98,041.62/135,289.53 = 55,604.10/x
  3. Step 3: Cross multiply
    98,041.62x = 135,289.53 × 55,604.10
  4. Step 4: Simplify right side
    98,041.62x = 7,522,652,555.07
  5. Step 5: Solve for x
    x = 7,522,652,555.07/98,041.62
  6. Step 6: Final answer
    x = 76,729.17

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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.