Home / 98,537.14-135,981.78-53,825.14

Finding the Fourth Proportional to 98,537.14, 135,981.78 and 53,825.14

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Solution

The fourth proportional to 98,537.14, 135,981.78 and 53,825.14 is: 74,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,537.14 : 135,981.78 = 53,825.14 : x
  2. Step 2: Convert to fraction form
    98,537.14/135,981.78 = 53,825.14/x
  3. Step 3: Cross multiply
    98,537.14x = 135,981.78 × 53,825.14
  4. Step 4: Simplify right side
    98,537.14x = 7,319,238,345.95
  5. Step 5: Solve for x
    x = 7,319,238,345.95/98,537.14
  6. Step 6: Final answer
    x = 74,278.98

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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.