Home / 81,630.04-122,447.74-22,465.48

Finding the Fourth Proportional to 81,630.04, 122,447.74 and 22,465.48

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Solution

The fourth proportional to 81,630.04, 122,447.74 and 22,465.48 is: 33,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,630.04 : 122,447.74 = 22,465.48 : x
  2. Step 2: Convert to fraction form
    81,630.04/122,447.74 = 22,465.48/x
  3. Step 3: Cross multiply
    81,630.04x = 122,447.74 × 22,465.48
  4. Step 4: Simplify right side
    81,630.04x = 2,750,847,254.02
  5. Step 5: Solve for x
    x = 2,750,847,254.02/81,630.04
  6. Step 6: Final answer
    x = 33,698.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.