Home / 79,483.05-109,688.63-43,673.97

Finding the Fourth Proportional to 79,483.05, 109,688.63 and 43,673.97

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Solution

The fourth proportional to 79,483.05, 109,688.63 and 43,673.97 is: 60,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,483.05 : 109,688.63 = 43,673.97 : x
  2. Step 2: Convert to fraction form
    79,483.05/109,688.63 = 43,673.97/x
  3. Step 3: Cross multiply
    79,483.05x = 109,688.63 × 43,673.97
  4. Step 4: Simplify right side
    79,483.05x = 4,790,537,717.59
  5. Step 5: Solve for x
    x = 4,790,537,717.59/79,483.05
  6. Step 6: Final answer
    x = 60,271.19

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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.