Home / 90,621.09-125,055.36-50,333.04

Finding the Fourth Proportional to 90,621.09, 125,055.36 and 50,333.04

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Solution

The fourth proportional to 90,621.09, 125,055.36 and 50,333.04 is: 69,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,621.09 : 125,055.36 = 50,333.04 : x
  2. Step 2: Convert to fraction form
    90,621.09/125,055.36 = 50,333.04/x
  3. Step 3: Cross multiply
    90,621.09x = 125,055.36 × 50,333.04
  4. Step 4: Simplify right side
    90,621.09x = 6,294,416,437.09
  5. Step 5: Solve for x
    x = 6,294,416,437.09/90,621.09
  6. Step 6: Final answer
    x = 69,458.63

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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.