Home / 93,104.04-128,486.04-50,665.20

Finding the Fourth Proportional to 93,104.04, 128,486.04 and 50,665.20

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Solution

The fourth proportional to 93,104.04, 128,486.04 and 50,665.20 is: 69,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,104.04 : 128,486.04 = 50,665.20 : x
  2. Step 2: Convert to fraction form
    93,104.04/128,486.04 = 50,665.20/x
  3. Step 3: Cross multiply
    93,104.04x = 128,486.04 × 50,665.20
  4. Step 4: Simplify right side
    93,104.04x = 6,509,770,913.81
  5. Step 5: Solve for x
    x = 6,509,770,913.81/93,104.04
  6. Step 6: Final answer
    x = 69,919.32

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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.