Home / 71,271.06-98,289.09-61,196.34

Finding the Fourth Proportional to 71,271.06, 98,289.09 and 61,196.34

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Solution

The fourth proportional to 71,271.06, 98,289.09 and 61,196.34 is: 84,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,271.06 : 98,289.09 = 61,196.34 : x
  2. Step 2: Convert to fraction form
    71,271.06/98,289.09 = 61,196.34/x
  3. Step 3: Cross multiply
    71,271.06x = 98,289.09 × 61,196.34
  4. Step 4: Simplify right side
    71,271.06x = 6,014,932,569.93
  5. Step 5: Solve for x
    x = 6,014,932,569.93/71,271.06
  6. Step 6: Final answer
    x = 84,395.16

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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.