Home / 98,277.97-135,623.59-55,836.55

Finding the Fourth Proportional to 98,277.97, 135,623.59 and 55,836.55

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Solution

The fourth proportional to 98,277.97, 135,623.59 and 55,836.55 is: 77,054.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,277.97 : 135,623.59 = 55,836.55 : x
  2. Step 2: Convert to fraction form
    98,277.97/135,623.59 = 55,836.55/x
  3. Step 3: Cross multiply
    98,277.97x = 135,623.59 × 55,836.55
  4. Step 4: Simplify right side
    98,277.97x = 7,572,753,364.21
  5. Step 5: Solve for x
    x = 7,572,753,364.21/98,277.97
  6. Step 6: Final answer
    x = 77,054.43

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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.