Home / 93,028.23-128,379.87-50,587.68

Finding the Fourth Proportional to 93,028.23, 128,379.87 and 50,587.68

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Solution

The fourth proportional to 93,028.23, 128,379.87 and 50,587.68 is: 69,811.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,028.23 : 128,379.87 = 50,587.68 : x
  2. Step 2: Convert to fraction form
    93,028.23/128,379.87 = 50,587.68/x
  3. Step 3: Cross multiply
    93,028.23x = 128,379.87 × 50,587.68
  4. Step 4: Simplify right side
    93,028.23x = 6,494,439,782.00
  5. Step 5: Solve for x
    x = 6,494,439,782.00/93,028.23
  6. Step 6: Final answer
    x = 69,811.49

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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.