Home / 78,455.52-117,617.13-34,048.82

Finding the Fourth Proportional to 78,455.52, 117,617.13 and 34,048.82

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Solution

The fourth proportional to 78,455.52, 117,617.13 and 34,048.82 is: 51,044.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,455.52 : 117,617.13 = 34,048.82 : x
  2. Step 2: Convert to fraction form
    78,455.52/117,617.13 = 34,048.82/x
  3. Step 3: Cross multiply
    78,455.52x = 117,617.13 × 34,048.82
  4. Step 4: Simplify right side
    78,455.52x = 4,004,723,900.20
  5. Step 5: Solve for x
    x = 4,004,723,900.20/78,455.52
  6. Step 6: Final answer
    x = 51,044.51

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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.