Home / 90,621.41-125,054.06-50,337.74

Finding the Fourth Proportional to 90,621.41, 125,054.06 and 50,337.74

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Solution

The fourth proportional to 90,621.41, 125,054.06 and 50,337.74 is: 69,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,621.41 : 125,054.06 = 50,337.74 : x
  2. Step 2: Convert to fraction form
    90,621.41/125,054.06 = 50,337.74/x
  3. Step 3: Cross multiply
    90,621.41x = 125,054.06 × 50,337.74
  4. Step 4: Simplify right side
    90,621.41x = 6,294,939,102.32
  5. Step 5: Solve for x
    x = 6,294,939,102.32/90,621.41
  6. Step 6: Final answer
    x = 69,464.15

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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.