Home / 98,527.75-135,968.31-53,815.75

Finding the Fourth Proportional to 98,527.75, 135,968.31 and 53,815.75

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Solution

The fourth proportional to 98,527.75, 135,968.31 and 53,815.75 is: 74,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,527.75 : 135,968.31 = 53,815.75 : x
  2. Step 2: Convert to fraction form
    98,527.75/135,968.31 = 53,815.75/x
  3. Step 3: Cross multiply
    98,527.75x = 135,968.31 × 53,815.75
  4. Step 4: Simplify right side
    98,527.75x = 7,317,236,578.88
  5. Step 5: Solve for x
    x = 7,317,236,578.88/98,527.75
  6. Step 6: Final answer
    x = 74,265.74

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1.5x scale

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.