Home / 79,271.19-109,391.32-43,460.41

Finding the Fourth Proportional to 79,271.19, 109,391.32 and 43,460.41

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Solution

The fourth proportional to 79,271.19, 109,391.32 and 43,460.41 is: 59,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,271.19 : 109,391.32 = 43,460.41 : x
  2. Step 2: Convert to fraction form
    79,271.19/109,391.32 = 43,460.41/x
  3. Step 3: Cross multiply
    79,271.19x = 109,391.32 × 43,460.41
  4. Step 4: Simplify right side
    79,271.19x = 4,754,191,617.64
  5. Step 5: Solve for x
    x = 4,754,191,617.64/79,271.19
  6. Step 6: Final answer
    x = 59,973.76

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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.