Home / 79,622.17-109,880.07-43,811.86

Finding the Fourth Proportional to 79,622.17, 109,880.07 and 43,811.86

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Solution

The fourth proportional to 79,622.17, 109,880.07 and 43,811.86 is: 60,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,622.17 : 109,880.07 = 43,811.86 : x
  2. Step 2: Convert to fraction form
    79,622.17/109,880.07 = 43,811.86/x
  3. Step 3: Cross multiply
    79,622.17x = 109,880.07 × 43,811.86
  4. Step 4: Simplify right side
    79,622.17x = 4,814,050,243.63
  5. Step 5: Solve for x
    x = 4,814,050,243.63/79,622.17
  6. Step 6: Final answer
    x = 60,461.18

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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.