Home / 83,634.08-115,415.87-45,393.93

Finding the Fourth Proportional to 83,634.08, 115,415.87 and 45,393.93

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Solution

The fourth proportional to 83,634.08, 115,415.87 and 45,393.93 is: 62,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,634.08 : 115,415.87 = 45,393.93 : x
  2. Step 2: Convert to fraction form
    83,634.08/115,415.87 = 45,393.93/x
  3. Step 3: Cross multiply
    83,634.08x = 115,415.87 × 45,393.93
  4. Step 4: Simplify right side
    83,634.08x = 5,239,179,696.70
  5. Step 5: Solve for x
    x = 5,239,179,696.70/83,634.08
  6. Step 6: Final answer
    x = 62,644.08

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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.