Home / 78,943.02-108,927.63-47,110.02

Finding the Fourth Proportional to 78,943.02, 108,927.63 and 47,110.02

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Solution

The fourth proportional to 78,943.02, 108,927.63 and 47,110.02 is: 65,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,943.02 : 108,927.63 = 47,110.02 : x
  2. Step 2: Convert to fraction form
    78,943.02/108,927.63 = 47,110.02/x
  3. Step 3: Cross multiply
    78,943.02x = 108,927.63 × 47,110.02
  4. Step 4: Simplify right side
    78,943.02x = 5,131,582,827.85
  5. Step 5: Solve for x
    x = 5,131,582,827.85/78,943.02
  6. Step 6: Final answer
    x = 65,003.63

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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.