Home / 93,172.46-128,578.29-50,731.25

Finding the Fourth Proportional to 93,172.46, 128,578.29 and 50,731.25

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Solution

The fourth proportional to 93,172.46, 128,578.29 and 50,731.25 is: 70,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,172.46 : 128,578.29 = 50,731.25 : x
  2. Step 2: Convert to fraction form
    93,172.46/128,578.29 = 50,731.25/x
  3. Step 3: Cross multiply
    93,172.46x = 128,578.29 × 50,731.25
  4. Step 4: Simplify right side
    93,172.46x = 6,522,937,374.56
  5. Step 5: Solve for x
    x = 6,522,937,374.56/93,172.46
  6. Step 6: Final answer
    x = 70,009.29

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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.