Home / 88,043.32-121,497.60-50,315.16

Finding the Fourth Proportional to 88,043.32, 121,497.60 and 50,315.16

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Solution

The fourth proportional to 88,043.32, 121,497.60 and 50,315.16 is: 69,433.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,043.32 : 121,497.60 = 50,315.16 : x
  2. Step 2: Convert to fraction form
    88,043.32/121,497.60 = 50,315.16/x
  3. Step 3: Cross multiply
    88,043.32x = 121,497.60 × 50,315.16
  4. Step 4: Simplify right side
    88,043.32x = 6,113,171,183.62
  5. Step 5: Solve for x
    x = 6,113,171,183.62/88,043.32
  6. Step 6: Final answer
    x = 69,433.67

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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.