Home / 77,889.04-107,487.29-43,898.06

Finding the Fourth Proportional to 77,889.04, 107,487.29 and 43,898.06

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Solution

The fourth proportional to 77,889.04, 107,487.29 and 43,898.06 is: 60,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,889.04 : 107,487.29 = 43,898.06 : x
  2. Step 2: Convert to fraction form
    77,889.04/107,487.29 = 43,898.06/x
  3. Step 3: Cross multiply
    77,889.04x = 107,487.29 × 43,898.06
  4. Step 4: Simplify right side
    77,889.04x = 4,718,483,884.12
  5. Step 5: Solve for x
    x = 4,718,483,884.12/77,889.04
  6. Step 6: Final answer
    x = 60,579.56

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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.