Home / 82,886.66-124,181.36-50,369.72

Finding the Fourth Proportional to 82,886.66, 124,181.36 and 50,369.72

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Solution

The fourth proportional to 82,886.66, 124,181.36 and 50,369.72 is: 75,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,886.66 : 124,181.36 = 50,369.72 : x
  2. Step 2: Convert to fraction form
    82,886.66/124,181.36 = 50,369.72/x
  3. Step 3: Cross multiply
    82,886.66x = 124,181.36 × 50,369.72
  4. Step 4: Simplify right side
    82,886.66x = 6,254,980,332.42
  5. Step 5: Solve for x
    x = 6,254,980,332.42/82,886.66
  6. Step 6: Final answer
    x = 75,464.26

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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.