Home / 65,218.44-89,979.87-45,068.07

Finding the Fourth Proportional to 65,218.44, 89,979.87 and 45,068.07

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Solution

The fourth proportional to 65,218.44, 89,979.87 and 45,068.07 is: 62,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,218.44 : 89,979.87 = 45,068.07 : x
  2. Step 2: Convert to fraction form
    65,218.44/89,979.87 = 45,068.07/x
  3. Step 3: Cross multiply
    65,218.44x = 89,979.87 × 45,068.07
  4. Step 4: Simplify right side
    65,218.44x = 4,055,219,079.75
  5. Step 5: Solve for x
    x = 4,055,219,079.75/65,218.44
  6. Step 6: Final answer
    x = 62,179.03

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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.