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Finding the Fourth Proportional to 88,840.78, 122,600.07 and 50,600.32

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Solution

The fourth proportional to 88,840.78, 122,600.07 and 50,600.32 is: 69,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,840.78 : 122,600.07 = 50,600.32 : x
  2. Step 2: Convert to fraction form
    88,840.78/122,600.07 = 50,600.32/x
  3. Step 3: Cross multiply
    88,840.78x = 122,600.07 × 50,600.32
  4. Step 4: Simplify right side
    88,840.78x = 6,203,602,774.02
  5. Step 5: Solve for x
    x = 6,203,602,774.02/88,840.78
  6. Step 6: Final answer
    x = 69,828.32

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1.5x scale

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.