Home / 98,935.50-136,539.63-54,232.14

Finding the Fourth Proportional to 98,935.50, 136,539.63 and 54,232.14

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Solution

The fourth proportional to 98,935.50, 136,539.63 and 54,232.14 is: 74,845.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,935.50 : 136,539.63 = 54,232.14 : x
  2. Step 2: Convert to fraction form
    98,935.50/136,539.63 = 54,232.14/x
  3. Step 3: Cross multiply
    98,935.50x = 136,539.63 × 54,232.14
  4. Step 4: Simplify right side
    98,935.50x = 7,404,836,329.71
  5. Step 5: Solve for x
    x = 7,404,836,329.71/98,935.50
  6. Step 6: Final answer
    x = 74,845.09

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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.