Home / 92,927.09-128,239.04-50,485.25

Finding the Fourth Proportional to 92,927.09, 128,239.04 and 50,485.25

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Solution

The fourth proportional to 92,927.09, 128,239.04 and 50,485.25 is: 69,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,927.09 : 128,239.04 = 50,485.25 : x
  2. Step 2: Convert to fraction form
    92,927.09/128,239.04 = 50,485.25/x
  3. Step 3: Cross multiply
    92,927.09x = 128,239.04 × 50,485.25
  4. Step 4: Simplify right side
    92,927.09x = 6,474,179,352.96
  5. Step 5: Solve for x
    x = 6,474,179,352.96/92,927.09
  6. Step 6: Final answer
    x = 69,669.45

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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.