Home / 93,084.90-128,453.36-50,643.48

Finding the Fourth Proportional to 93,084.90, 128,453.36 and 50,643.48

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Solution

The fourth proportional to 93,084.90, 128,453.36 and 50,643.48 is: 69,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,084.90 : 128,453.36 = 50,643.48 : x
  2. Step 2: Convert to fraction form
    93,084.90/128,453.36 = 50,643.48/x
  3. Step 3: Cross multiply
    93,084.90x = 128,453.36 × 50,643.48
  4. Step 4: Simplify right side
    93,084.90x = 6,505,325,168.09
  5. Step 5: Solve for x
    x = 6,505,325,168.09/93,084.90
  6. Step 6: Final answer
    x = 69,885.93

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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.