Home / 80,319.12-110,804.04-48,477.84

Finding the Fourth Proportional to 80,319.12, 110,804.04 and 48,477.84

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Solution

The fourth proportional to 80,319.12, 110,804.04 and 48,477.84 is: 66,877.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,319.12 : 110,804.04 = 48,477.84 : x
  2. Step 2: Convert to fraction form
    80,319.12/110,804.04 = 48,477.84/x
  3. Step 3: Cross multiply
    80,319.12x = 110,804.04 × 48,477.84
  4. Step 4: Simplify right side
    80,319.12x = 5,371,540,522.47
  5. Step 5: Solve for x
    x = 5,371,540,522.47/80,319.12
  6. Step 6: Final answer
    x = 66,877.48

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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.