Home / 98,913.89-136,500.09-53,589.17

Finding the Fourth Proportional to 98,913.89, 136,500.09 and 53,589.17

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Solution

The fourth proportional to 98,913.89, 136,500.09 and 53,589.17 is: 73,952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,913.89 : 136,500.09 = 53,589.17 : x
  2. Step 2: Convert to fraction form
    98,913.89/136,500.09 = 53,589.17/x
  3. Step 3: Cross multiply
    98,913.89x = 136,500.09 × 53,589.17
  4. Step 4: Simplify right side
    98,913.89x = 7,314,926,284.41
  5. Step 5: Solve for x
    x = 7,314,926,284.41/98,913.89
  6. Step 6: Final answer
    x = 73,952.47

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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.