Home / 79,283.08-109,411.51-43,472.32

Finding the Fourth Proportional to 79,283.08, 109,411.51 and 43,472.32

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Solution

The fourth proportional to 79,283.08, 109,411.51 and 43,472.32 is: 59,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,283.08 : 109,411.51 = 43,472.32 : x
  2. Step 2: Convert to fraction form
    79,283.08/109,411.51 = 43,472.32/x
  3. Step 3: Cross multiply
    79,283.08x = 109,411.51 × 43,472.32
  4. Step 4: Simplify right side
    79,283.08x = 4,756,372,181.42
  5. Step 5: Solve for x
    x = 4,756,372,181.42/79,283.08
  6. Step 6: Final answer
    x = 59,992.27

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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.