Home / 98,936.86-136,532.55-53,615.02

Finding the Fourth Proportional to 98,936.86, 136,532.55 and 53,615.02

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Solution

The fourth proportional to 98,936.86, 136,532.55 and 53,615.02 is: 73,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,936.86 : 136,532.55 = 53,615.02 : x
  2. Step 2: Convert to fraction form
    98,936.86/136,532.55 = 53,615.02/x
  3. Step 3: Cross multiply
    98,936.86x = 136,532.55 × 53,615.02
  4. Step 4: Simplify right side
    98,936.86x = 7,320,195,398.90
  5. Step 5: Solve for x
    x = 7,320,195,398.90/98,936.86
  6. Step 6: Final answer
    x = 73,988.56

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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.