Home / 78,996.03-109,014.51-43,186.04

Finding the Fourth Proportional to 78,996.03, 109,014.51 and 43,186.04

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Solution

The fourth proportional to 78,996.03, 109,014.51 and 43,186.04 is: 59,596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,996.03 : 109,014.51 = 43,186.04 : x
  2. Step 2: Convert to fraction form
    78,996.03/109,014.51 = 43,186.04/x
  3. Step 3: Cross multiply
    78,996.03x = 109,014.51 × 43,186.04
  4. Step 4: Simplify right side
    78,996.03x = 4,707,904,228.44
  5. Step 5: Solve for x
    x = 4,707,904,228.44/78,996.03
  6. Step 6: Final answer
    x = 59,596.72

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1.5x scale

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.