Home / 93,645.72-140,439.30-31,301.64

Finding the Fourth Proportional to 93,645.72, 140,439.30 and 31,301.64

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Solution

The fourth proportional to 93,645.72, 140,439.30 and 31,301.64 is: 46,942.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,645.72 : 140,439.30 = 31,301.64 : x
  2. Step 2: Convert to fraction form
    93,645.72/140,439.30 = 31,301.64/x
  3. Step 3: Cross multiply
    93,645.72x = 140,439.30 × 31,301.64
  4. Step 4: Simplify right side
    93,645.72x = 4,395,980,410.45
  5. Step 5: Solve for x
    x = 4,395,980,410.45/93,645.72
  6. Step 6: Final answer
    x = 46,942.67

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1.5x scale

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.