Home / 90,605.25-125,038.76-50,322.06

Finding the Fourth Proportional to 90,605.25, 125,038.76 and 50,322.06

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Solution

The fourth proportional to 90,605.25, 125,038.76 and 50,322.06 is: 69,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,605.25 : 125,038.76 = 50,322.06 : x
  2. Step 2: Convert to fraction form
    90,605.25/125,038.76 = 50,322.06/x
  3. Step 3: Cross multiply
    90,605.25x = 125,038.76 × 50,322.06
  4. Step 4: Simplify right side
    90,605.25x = 6,292,207,731.44
  5. Step 5: Solve for x
    x = 6,292,207,731.44/90,605.25
  6. Step 6: Final answer
    x = 69,446.39

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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.