Home / 90,585.37-125,019.34-54,775.64

Finding the Fourth Proportional to 90,585.37, 125,019.34 and 54,775.64

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Solution

The fourth proportional to 90,585.37, 125,019.34 and 54,775.64 is: 75,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,585.37 : 125,019.34 = 54,775.64 : x
  2. Step 2: Convert to fraction form
    90,585.37/125,019.34 = 54,775.64/x
  3. Step 3: Cross multiply
    90,585.37x = 125,019.34 × 54,775.64
  4. Step 4: Simplify right side
    90,585.37x = 6,848,014,014.95
  5. Step 5: Solve for x
    x = 6,848,014,014.95/90,585.37
  6. Step 6: Final answer
    x = 75,597.35

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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.