Home / 98,087.75-135,378.71-57,799.16

Finding the Fourth Proportional to 98,087.75, 135,378.71 and 57,799.16

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Solution

The fourth proportional to 98,087.75, 135,378.71 and 57,799.16 is: 79,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,087.75 : 135,378.71 = 57,799.16 : x
  2. Step 2: Convert to fraction form
    98,087.75/135,378.71 = 57,799.16/x
  3. Step 3: Cross multiply
    98,087.75x = 135,378.71 × 57,799.16
  4. Step 4: Simplify right side
    98,087.75x = 7,824,775,719.88
  5. Step 5: Solve for x
    x = 7,824,775,719.88/98,087.75
  6. Step 6: Final answer
    x = 79,773.22

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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.