Home / 76,458.66-114,771.03-56,405.24

Finding the Fourth Proportional to 76,458.66, 114,771.03 and 56,405.24

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Solution

The fourth proportional to 76,458.66, 114,771.03 and 56,405.24 is: 84,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,458.66 : 114,771.03 = 56,405.24 : x
  2. Step 2: Convert to fraction form
    76,458.66/114,771.03 = 56,405.24/x
  3. Step 3: Cross multiply
    76,458.66x = 114,771.03 × 56,405.24
  4. Step 4: Simplify right side
    76,458.66x = 6,473,686,814.42
  5. Step 5: Solve for x
    x = 6,473,686,814.42/76,458.66
  6. Step 6: Final answer
    x = 84,669.11

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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.