Home / 90,730.48-125,213.72-50,453.24

Finding the Fourth Proportional to 90,730.48, 125,213.72 and 50,453.24

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Solution

The fourth proportional to 90,730.48, 125,213.72 and 50,453.24 is: 69,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,730.48 : 125,213.72 = 50,453.24 : x
  2. Step 2: Convert to fraction form
    90,730.48/125,213.72 = 50,453.24/x
  3. Step 3: Cross multiply
    90,730.48x = 125,213.72 × 50,453.24
  4. Step 4: Simplify right side
    90,730.48x = 6,317,437,866.45
  5. Step 5: Solve for x
    x = 6,317,437,866.45/90,730.48
  6. Step 6: Final answer
    x = 69,628.62

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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.