Home / 97,849.63-135,033.03-55,416.43

Finding the Fourth Proportional to 97,849.63, 135,033.03 and 55,416.43

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Solution

The fourth proportional to 97,849.63, 135,033.03 and 55,416.43 is: 76,474.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,849.63 : 135,033.03 = 55,416.43 : x
  2. Step 2: Convert to fraction form
    97,849.63/135,033.03 = 55,416.43/x
  3. Step 3: Cross multiply
    97,849.63x = 135,033.03 × 55,416.43
  4. Step 4: Simplify right side
    97,849.63x = 7,483,048,454.68
  5. Step 5: Solve for x
    x = 7,483,048,454.68/97,849.63
  6. Step 6: Final answer
    x = 76,474.98

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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.