Home / 88,840.90-122,588.60-57,052.86

Finding the Fourth Proportional to 88,840.90, 122,588.60 and 57,052.86

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Solution

The fourth proportional to 88,840.90, 122,588.60 and 57,052.86 is: 78,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,840.90 : 122,588.60 = 57,052.86 : x
  2. Step 2: Convert to fraction form
    88,840.90/122,588.60 = 57,052.86/x
  3. Step 3: Cross multiply
    88,840.90x = 122,588.60 × 57,052.86
  4. Step 4: Simplify right side
    88,840.90x = 6,994,030,233.40
  5. Step 5: Solve for x
    x = 6,994,030,233.40/88,840.90
  6. Step 6: Final answer
    x = 78,725.34

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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.