Home / 93,384.31-128,870.07-50,942.54

Finding the Fourth Proportional to 93,384.31, 128,870.07 and 50,942.54

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Solution

The fourth proportional to 93,384.31, 128,870.07 and 50,942.54 is: 70,300.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,384.31 : 128,870.07 = 50,942.54 : x
  2. Step 2: Convert to fraction form
    93,384.31/128,870.07 = 50,942.54/x
  3. Step 3: Cross multiply
    93,384.31x = 128,870.07 × 50,942.54
  4. Step 4: Simplify right side
    93,384.31x = 6,564,968,051.43
  5. Step 5: Solve for x
    x = 6,564,968,051.43/93,384.31
  6. Step 6: Final answer
    x = 70,300.55

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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.