Home / 88,647.20-122,316.40-52,840.54

Finding the Fourth Proportional to 88,647.20, 122,316.40 and 52,840.54

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Solution

The fourth proportional to 88,647.20, 122,316.40 and 52,840.54 is: 72,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,647.20 : 122,316.40 = 52,840.54 : x
  2. Step 2: Convert to fraction form
    88,647.20/122,316.40 = 52,840.54/x
  3. Step 3: Cross multiply
    88,647.20x = 122,316.40 × 52,840.54
  4. Step 4: Simplify right side
    88,647.20x = 6,463,264,845.80
  5. Step 5: Solve for x
    x = 6,463,264,845.80/88,647.20
  6. Step 6: Final answer
    x = 72,909.97

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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.