Home / 83,840.49-115,708.37-48,035.25

Finding the Fourth Proportional to 83,840.49, 115,708.37 and 48,035.25

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Solution

The fourth proportional to 83,840.49, 115,708.37 and 48,035.25 is: 66,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,840.49 : 115,708.37 = 48,035.25 : x
  2. Step 2: Convert to fraction form
    83,840.49/115,708.37 = 48,035.25/x
  3. Step 3: Cross multiply
    83,840.49x = 115,708.37 × 48,035.25
  4. Step 4: Simplify right side
    83,840.49x = 5,558,080,239.87
  5. Step 5: Solve for x
    x = 5,558,080,239.87/83,840.49
  6. Step 6: Final answer
    x = 66,293.51

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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.