Home / 79,670.18-109,943.93-43,859.48

Finding the Fourth Proportional to 79,670.18, 109,943.93 and 43,859.48

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Solution

The fourth proportional to 79,670.18, 109,943.93 and 43,859.48 is: 60,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,670.18 : 109,943.93 = 43,859.48 : x
  2. Step 2: Convert to fraction form
    79,670.18/109,943.93 = 43,859.48/x
  3. Step 3: Cross multiply
    79,670.18x = 109,943.93 × 43,859.48
  4. Step 4: Simplify right side
    79,670.18x = 4,822,083,158.89
  5. Step 5: Solve for x
    x = 4,822,083,158.89/79,670.18
  6. Step 6: Final answer
    x = 60,525.57

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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.