Home / 65,637.54-98,456.31-52,428.06

Finding the Fourth Proportional to 65,637.54, 98,456.31 and 52,428.06

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Solution

The fourth proportional to 65,637.54, 98,456.31 and 52,428.06 is: 78,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,637.54 : 98,456.31 = 52,428.06 : x
  2. Step 2: Convert to fraction form
    65,637.54/98,456.31 = 52,428.06/x
  3. Step 3: Cross multiply
    65,637.54x = 98,456.31 × 52,428.06
  4. Step 4: Simplify right side
    65,637.54x = 5,161,873,328.06
  5. Step 5: Solve for x
    x = 5,161,873,328.06/65,637.54
  6. Step 6: Final answer
    x = 78,642.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.