Home / 98,291.36-135,641.76-53,579.36

Finding the Fourth Proportional to 98,291.36, 135,641.76 and 53,579.36

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Solution

The fourth proportional to 98,291.36, 135,641.76 and 53,579.36 is: 73,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,291.36 : 135,641.76 = 53,579.36 : x
  2. Step 2: Convert to fraction form
    98,291.36/135,641.76 = 53,579.36/x
  3. Step 3: Cross multiply
    98,291.36x = 135,641.76 × 53,579.36
  4. Step 4: Simplify right side
    98,291.36x = 7,267,598,690.07
  5. Step 5: Solve for x
    x = 7,267,598,690.07/98,291.36
  6. Step 6: Final answer
    x = 73,939.34

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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.