Home / 71,913.37-99,014.61-61,137.04

Finding the Fourth Proportional to 71,913.37, 99,014.61 and 61,137.04

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Solution

The fourth proportional to 71,913.37, 99,014.61 and 61,137.04 is: 84,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,913.37 : 99,014.61 = 61,137.04 : x
  2. Step 2: Convert to fraction form
    71,913.37/99,014.61 = 61,137.04/x
  3. Step 3: Cross multiply
    71,913.37x = 99,014.61 × 61,137.04
  4. Step 4: Simplify right side
    71,913.37x = 6,053,460,172.15
  5. Step 5: Solve for x
    x = 6,053,460,172.15/71,913.37
  6. Step 6: Final answer
    x = 84,177.12

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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.