Home / 98,828.69-136,382.59-53,505.47

Finding the Fourth Proportional to 98,828.69, 136,382.59 and 53,505.47

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Solution

The fourth proportional to 98,828.69, 136,382.59 and 53,505.47 is: 73,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,828.69 : 136,382.59 = 53,505.47 : x
  2. Step 2: Convert to fraction form
    98,828.69/136,382.59 = 53,505.47/x
  3. Step 3: Cross multiply
    98,828.69x = 136,382.59 × 53,505.47
  4. Step 4: Simplify right side
    98,828.69x = 7,297,214,577.77
  5. Step 5: Solve for x
    x = 7,297,214,577.77/98,828.69
  6. Step 6: Final answer
    x = 73,837.01

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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.