Home / 98,860.25-136,426.36-53,538.08

Finding the Fourth Proportional to 98,860.25, 136,426.36 and 53,538.08

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Solution

The fourth proportional to 98,860.25, 136,426.36 and 53,538.08 is: 73,882.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,860.25 : 136,426.36 = 53,538.08 : x
  2. Step 2: Convert to fraction form
    98,860.25/136,426.36 = 53,538.08/x
  3. Step 3: Cross multiply
    98,860.25x = 136,426.36 × 53,538.08
  4. Step 4: Simplify right side
    98,860.25x = 7,304,005,427.59
  5. Step 5: Solve for x
    x = 7,304,005,427.59/98,860.25
  6. Step 6: Final answer
    x = 73,882.13

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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.