Home / 76,784.56-114,984.56-48,619.64

Finding the Fourth Proportional to 76,784.56, 114,984.56 and 48,619.64

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Solution

The fourth proportional to 76,784.56, 114,984.56 and 48,619.64 is: 72,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,784.56 : 114,984.56 = 48,619.64 : x
  2. Step 2: Convert to fraction form
    76,784.56/114,984.56 = 48,619.64/x
  3. Step 3: Cross multiply
    76,784.56x = 114,984.56 × 48,619.64
  4. Step 4: Simplify right side
    76,784.56x = 5,590,508,321.77
  5. Step 5: Solve for x
    x = 5,590,508,321.77/76,784.56
  6. Step 6: Final answer
    x = 72,807.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.