Home / 64,418.13-96,637.54-20,055.14

Finding the Fourth Proportional to 64,418.13, 96,637.54 and 20,055.14

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Solution

The fourth proportional to 64,418.13, 96,637.54 and 20,055.14 is: 30,085.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,418.13 : 96,637.54 = 20,055.14 : x
  2. Step 2: Convert to fraction form
    64,418.13/96,637.54 = 20,055.14/x
  3. Step 3: Cross multiply
    64,418.13x = 96,637.54 × 20,055.14
  4. Step 4: Simplify right side
    64,418.13x = 1,938,078,860.63
  5. Step 5: Solve for x
    x = 1,938,078,860.63/64,418.13
  6. Step 6: Final answer
    x = 30,085.92

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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.