Home / 93,172.32-128,576.16-50,730.12

Finding the Fourth Proportional to 93,172.32, 128,576.16 and 50,730.12

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Solution

The fourth proportional to 93,172.32, 128,576.16 and 50,730.12 is: 70,006.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,172.32 : 128,576.16 = 50,730.12 : x
  2. Step 2: Convert to fraction form
    93,172.32/128,576.16 = 50,730.12/x
  3. Step 3: Cross multiply
    93,172.32x = 128,576.16 × 50,730.12
  4. Step 4: Simplify right side
    93,172.32x = 6,522,684,025.94
  5. Step 5: Solve for x
    x = 6,522,684,025.94/93,172.32
  6. Step 6: Final answer
    x = 70,006.67

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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.