Home / 98,018.44-135,244.59-57,717.50

Finding the Fourth Proportional to 98,018.44, 135,244.59 and 57,717.50

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Solution

The fourth proportional to 98,018.44, 135,244.59 and 57,717.50 is: 79,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,018.44 : 135,244.59 = 57,717.50 : x
  2. Step 2: Convert to fraction form
    98,018.44/135,244.59 = 57,717.50/x
  3. Step 3: Cross multiply
    98,018.44x = 135,244.59 × 57,717.50
  4. Step 4: Simplify right side
    98,018.44x = 7,805,978,730.66
  5. Step 5: Solve for x
    x = 7,805,978,730.66/98,018.44
  6. Step 6: Final answer
    x = 79,637.86

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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.