Home / 78,941.03-108,937.35-43,130.27

Finding the Fourth Proportional to 78,941.03, 108,937.35 and 43,130.27

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Solution

The fourth proportional to 78,941.03, 108,937.35 and 43,130.27 is: 59,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,941.03 : 108,937.35 = 43,130.27 : x
  2. Step 2: Convert to fraction form
    78,941.03/108,937.35 = 43,130.27/x
  3. Step 3: Cross multiply
    78,941.03x = 108,937.35 × 43,130.27
  4. Step 4: Simplify right side
    78,941.03x = 4,698,497,590.93
  5. Step 5: Solve for x
    x = 4,698,497,590.93/78,941.03
  6. Step 6: Final answer
    x = 59,519.09

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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.