Home / 73,271.10-109,578.60-61,461.30

Finding the Fourth Proportional to 73,271.10, 109,578.60 and 61,461.30

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Solution

The fourth proportional to 73,271.10, 109,578.60 and 61,461.30 is: 91,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,271.10 : 109,578.60 = 61,461.30 : x
  2. Step 2: Convert to fraction form
    73,271.10/109,578.60 = 61,461.30/x
  3. Step 3: Cross multiply
    73,271.10x = 109,578.60 × 61,461.30
  4. Step 4: Simplify right side
    73,271.10x = 6,734,843,208.18
  5. Step 5: Solve for x
    x = 6,734,843,208.18/73,271.10
  6. Step 6: Final answer
    x = 91,916.77

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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.