Home / 93,172.30-128,576.49-50,730.83

Finding the Fourth Proportional to 93,172.30, 128,576.49 and 50,730.83

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Solution

The fourth proportional to 93,172.30, 128,576.49 and 50,730.83 is: 70,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,172.30 : 128,576.49 = 50,730.83 : x
  2. Step 2: Convert to fraction form
    93,172.30/128,576.49 = 50,730.83/x
  3. Step 3: Cross multiply
    93,172.30x = 128,576.49 × 50,730.83
  4. Step 4: Simplify right side
    93,172.30x = 6,522,792,056.19
  5. Step 5: Solve for x
    x = 6,522,792,056.19/93,172.30
  6. Step 6: Final answer
    x = 70,007.85

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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.