Home / 69,315.14-95,666.67-39,109.03

Finding the Fourth Proportional to 69,315.14, 95,666.67 and 39,109.03

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Solution

The fourth proportional to 69,315.14, 95,666.67 and 39,109.03 is: 53,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,315.14 : 95,666.67 = 39,109.03 : x
  2. Step 2: Convert to fraction form
    69,315.14/95,666.67 = 39,109.03/x
  3. Step 3: Cross multiply
    69,315.14x = 95,666.67 × 39,109.03
  4. Step 4: Simplify right side
    69,315.14x = 3,741,430,427.86
  5. Step 5: Solve for x
    x = 3,741,430,427.86/69,315.14
  6. Step 6: Final answer
    x = 53,977.10

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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.