Home / 67,698.08-101,370.48-54,478.24

Finding the Fourth Proportional to 67,698.08, 101,370.48 and 54,478.24

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Solution

The fourth proportional to 67,698.08, 101,370.48 and 54,478.24 is: 81,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,698.08 : 101,370.48 = 54,478.24 : x
  2. Step 2: Convert to fraction form
    67,698.08/101,370.48 = 54,478.24/x
  3. Step 3: Cross multiply
    67,698.08x = 101,370.48 × 54,478.24
  4. Step 4: Simplify right side
    67,698.08x = 5,522,485,338.36
  5. Step 5: Solve for x
    x = 5,522,485,338.36/67,698.08
  6. Step 6: Final answer
    x = 81,575.21

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1.5x scale

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.