Home / 88,431.86-122,035.99-48,145.63

Finding the Fourth Proportional to 88,431.86, 122,035.99 and 48,145.63

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Solution

The fourth proportional to 88,431.86, 122,035.99 and 48,145.63 is: 66,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,431.86 : 122,035.99 = 48,145.63 : x
  2. Step 2: Convert to fraction form
    88,431.86/122,035.99 = 48,145.63/x
  3. Step 3: Cross multiply
    88,431.86x = 122,035.99 × 48,145.63
  4. Step 4: Simplify right side
    88,431.86x = 5,875,498,770.32
  5. Step 5: Solve for x
    x = 5,875,498,770.32/88,431.86
  6. Step 6: Final answer
    x = 66,440.97

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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.