Home / 84,026.44-115,955.49-45,787.69

Finding the Fourth Proportional to 84,026.44, 115,955.49 and 45,787.69

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Solution

The fourth proportional to 84,026.44, 115,955.49 and 45,787.69 is: 63,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,026.44 : 115,955.49 = 45,787.69 : x
  2. Step 2: Convert to fraction form
    84,026.44/115,955.49 = 45,787.69/x
  3. Step 3: Cross multiply
    84,026.44x = 115,955.49 × 45,787.69
  4. Step 4: Simplify right side
    84,026.44x = 5,309,334,029.92
  5. Step 5: Solve for x
    x = 5,309,334,029.92/84,026.44
  6. Step 6: Final answer
    x = 63,186.47

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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.