Home / 69,315.20-95,629.36-45,455.12

Finding the Fourth Proportional to 69,315.20, 95,629.36 and 45,455.12

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Solution

The fourth proportional to 69,315.20, 95,629.36 and 45,455.12 is: 62,711.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,315.20 : 95,629.36 = 45,455.12 : x
  2. Step 2: Convert to fraction form
    69,315.20/95,629.36 = 45,455.12/x
  3. Step 3: Cross multiply
    69,315.20x = 95,629.36 × 45,455.12
  4. Step 4: Simplify right side
    69,315.20x = 4,346,844,034.32
  5. Step 5: Solve for x
    x = 4,346,844,034.32/69,315.20
  6. Step 6: Final answer
    x = 62,711.27

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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.