Home / 78,941.04-108,937.37-43,130.29

Finding the Fourth Proportional to 78,941.04, 108,937.37 and 43,130.29

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Solution

The fourth proportional to 78,941.04, 108,937.37 and 43,130.29 is: 59,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,941.04 : 108,937.37 = 43,130.29 : x
  2. Step 2: Convert to fraction form
    78,941.04/108,937.37 = 43,130.29/x
  3. Step 3: Cross multiply
    78,941.04x = 108,937.37 × 43,130.29
  4. Step 4: Simplify right side
    78,941.04x = 4,698,500,359.94
  5. Step 5: Solve for x
    x = 4,698,500,359.94/78,941.04
  6. Step 6: Final answer
    x = 59,519.11

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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.