Home / 71,017.92-98,005.08-39,186.84

Finding the Fourth Proportional to 71,017.92, 98,005.08 and 39,186.84

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Solution

The fourth proportional to 71,017.92, 98,005.08 and 39,186.84 is: 54,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,017.92 : 98,005.08 = 39,186.84 : x
  2. Step 2: Convert to fraction form
    71,017.92/98,005.08 = 39,186.84/x
  3. Step 3: Cross multiply
    71,017.92x = 98,005.08 × 39,186.84
  4. Step 4: Simplify right side
    71,017.92x = 3,840,509,389.15
  5. Step 5: Solve for x
    x = 3,840,509,389.15/71,017.92
  6. Step 6: Final answer
    x = 54,078.03

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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.