Home / 88,904.80-122,705.04-57,113.44

Finding the Fourth Proportional to 88,904.80, 122,705.04 and 57,113.44

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Solution

The fourth proportional to 88,904.80, 122,705.04 and 57,113.44 is: 78,827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,904.80 : 122,705.04 = 57,113.44 : x
  2. Step 2: Convert to fraction form
    88,904.80/122,705.04 = 57,113.44/x
  3. Step 3: Cross multiply
    88,904.80x = 122,705.04 × 57,113.44
  4. Step 4: Simplify right side
    88,904.80x = 7,008,106,939.74
  5. Step 5: Solve for x
    x = 7,008,106,939.74/88,904.80
  6. Step 6: Final answer
    x = 78,827.09

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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.