Home / 82,764.18-114,213.51-45,038.43

Finding the Fourth Proportional to 82,764.18, 114,213.51 and 45,038.43

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Solution

The fourth proportional to 82,764.18, 114,213.51 and 45,038.43 is: 62,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,764.18 : 114,213.51 = 45,038.43 : x
  2. Step 2: Convert to fraction form
    82,764.18/114,213.51 = 45,038.43/x
  3. Step 3: Cross multiply
    82,764.18x = 114,213.51 × 45,038.43
  4. Step 4: Simplify right side
    82,764.18x = 5,143,997,175.19
  5. Step 5: Solve for x
    x = 5,143,997,175.19/82,764.18
  6. Step 6: Final answer
    x = 62,152.46

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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.