Home / 93,070.62-128,438.44-50,629.26

Finding the Fourth Proportional to 93,070.62, 128,438.44 and 50,629.26

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Solution

The fourth proportional to 93,070.62, 128,438.44 and 50,629.26 is: 69,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,070.62 : 128,438.44 = 50,629.26 : x
  2. Step 2: Convert to fraction form
    93,070.62/128,438.44 = 50,629.26/x
  3. Step 3: Cross multiply
    93,070.62x = 128,438.44 × 50,629.26
  4. Step 4: Simplify right side
    93,070.62x = 6,502,743,172.75
  5. Step 5: Solve for x
    x = 6,502,743,172.75/93,070.62
  6. Step 6: Final answer
    x = 69,868.91

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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.