Home / 97,212.45-145,804.83-30,643.93

Finding the Fourth Proportional to 97,212.45, 145,804.83 and 30,643.93

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Solution

The fourth proportional to 97,212.45, 145,804.83 and 30,643.93 is: 45,961.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,212.45 : 145,804.83 = 30,643.93 : x
  2. Step 2: Convert to fraction form
    97,212.45/145,804.83 = 30,643.93/x
  3. Step 3: Cross multiply
    97,212.45x = 145,804.83 × 30,643.93
  4. Step 4: Simplify right side
    97,212.45x = 4,468,033,004.18
  5. Step 5: Solve for x
    x = 4,468,033,004.18/97,212.45
  6. Step 6: Final answer
    x = 45,961.53

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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.