Home / 84,112.90-116,074.30-45,872.74

Finding the Fourth Proportional to 84,112.90, 116,074.30 and 45,872.74

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Solution

The fourth proportional to 84,112.90, 116,074.30 and 45,872.74 is: 63,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,112.90 : 116,074.30 = 45,872.74 : x
  2. Step 2: Convert to fraction form
    84,112.90/116,074.30 = 45,872.74/x
  3. Step 3: Cross multiply
    84,112.90x = 116,074.30 × 45,872.74
  4. Step 4: Simplify right side
    84,112.90x = 5,324,646,184.58
  5. Step 5: Solve for x
    x = 5,324,646,184.58/84,112.90
  6. Step 6: Final answer
    x = 63,303.56

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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.