Home / 88,431.20-122,034.93-48,145.23

Finding the Fourth Proportional to 88,431.20, 122,034.93 and 48,145.23

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Solution

The fourth proportional to 88,431.20, 122,034.93 and 48,145.23 is: 66,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,431.20 : 122,034.93 = 48,145.23 : x
  2. Step 2: Convert to fraction form
    88,431.20/122,034.93 = 48,145.23/x
  3. Step 3: Cross multiply
    88,431.20x = 122,034.93 × 48,145.23
  4. Step 4: Simplify right side
    88,431.20x = 5,875,399,772.88
  5. Step 5: Solve for x
    x = 5,875,399,772.88/88,431.20
  6. Step 6: Final answer
    x = 66,440.35

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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.