Home / 86,521.56-119,406.78-48,803.64

Finding the Fourth Proportional to 86,521.56, 119,406.78 and 48,803.64

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Solution

The fourth proportional to 86,521.56, 119,406.78 and 48,803.64 is: 67,352.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,521.56 : 119,406.78 = 48,803.64 : x
  2. Step 2: Convert to fraction form
    86,521.56/119,406.78 = 48,803.64/x
  3. Step 3: Cross multiply
    86,521.56x = 119,406.78 × 48,803.64
  4. Step 4: Simplify right side
    86,521.56x = 5,827,485,504.68
  5. Step 5: Solve for x
    x = 5,827,485,504.68/86,521.56
  6. Step 6: Final answer
    x = 67,352.99

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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.