Home / 98,541.06-135,986.67-53,829.06

Finding the Fourth Proportional to 98,541.06, 135,986.67 and 53,829.06

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Solution

The fourth proportional to 98,541.06, 135,986.67 and 53,829.06 is: 74,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,541.06 : 135,986.67 = 53,829.06 : x
  2. Step 2: Convert to fraction form
    98,541.06/135,986.67 = 53,829.06/x
  3. Step 3: Cross multiply
    98,541.06x = 135,986.67 × 53,829.06
  4. Step 4: Simplify right side
    98,541.06x = 7,320,034,756.74
  5. Step 5: Solve for x
    x = 7,320,034,756.74/98,541.06
  6. Step 6: Final answer
    x = 74,284.11

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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.