Home / 93,276.68-128,033.12-82,979.60

Finding the Fourth Proportional to 93,276.68, 128,033.12 and 82,979.60

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Solution

The fourth proportional to 93,276.68, 128,033.12 and 82,979.60 is: 113,899.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,276.68 : 128,033.12 = 82,979.60 : x
  2. Step 2: Convert to fraction form
    93,276.68/128,033.12 = 82,979.60/x
  3. Step 3: Cross multiply
    93,276.68x = 128,033.12 × 82,979.60
  4. Step 4: Simplify right side
    93,276.68x = 10,624,137,084.35
  5. Step 5: Solve for x
    x = 10,624,137,084.35/93,276.68
  6. Step 6: Final answer
    x = 113,899.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.