Home / 79,621.02-109,894.68-62,359.02

Finding the Fourth Proportional to 79,621.02, 109,894.68 and 62,359.02

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Solution

The fourth proportional to 79,621.02, 109,894.68 and 62,359.02 is: 86,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,621.02 : 109,894.68 = 62,359.02 : x
  2. Step 2: Convert to fraction form
    79,621.02/109,894.68 = 62,359.02/x
  3. Step 3: Cross multiply
    79,621.02x = 109,894.68 × 62,359.02
  4. Step 4: Simplify right side
    79,621.02x = 6,852,924,548.01
  5. Step 5: Solve for x
    x = 6,852,924,548.01/79,621.02
  6. Step 6: Final answer
    x = 86,069.29

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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.