Home / 73,979.28-102,024.36-63,264.36

Finding the Fourth Proportional to 73,979.28, 102,024.36 and 63,264.36

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Solution

The fourth proportional to 73,979.28, 102,024.36 and 63,264.36 is: 87,247.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,979.28 : 102,024.36 = 63,264.36 : x
  2. Step 2: Convert to fraction form
    73,979.28/102,024.36 = 63,264.36/x
  3. Step 3: Cross multiply
    73,979.28x = 102,024.36 × 63,264.36
  4. Step 4: Simplify right side
    73,979.28x = 6,454,505,839.81
  5. Step 5: Solve for x
    x = 6,454,505,839.81/73,979.28
  6. Step 6: Final answer
    x = 87,247.48

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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.