Home / 88,286.46-121,836.34-47,999.36

Finding the Fourth Proportional to 88,286.46, 121,836.34 and 47,999.36

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Solution

The fourth proportional to 88,286.46, 121,836.34 and 47,999.36 is: 66,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,286.46 : 121,836.34 = 47,999.36 : x
  2. Step 2: Convert to fraction form
    88,286.46/121,836.34 = 47,999.36/x
  3. Step 3: Cross multiply
    88,286.46x = 121,836.34 × 47,999.36
  4. Step 4: Simplify right side
    88,286.46x = 5,848,066,344.74
  5. Step 5: Solve for x
    x = 5,848,066,344.74/88,286.46
  6. Step 6: Final answer
    x = 66,239.67

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1.5x scale

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.