Home / 84,491.64-116,577.72-51,777.12

Finding the Fourth Proportional to 84,491.64, 116,577.72 and 51,777.12

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Solution

The fourth proportional to 84,491.64, 116,577.72 and 51,777.12 is: 71,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,491.64 : 116,577.72 = 51,777.12 : x
  2. Step 2: Convert to fraction form
    84,491.64/116,577.72 = 51,777.12/x
  3. Step 3: Cross multiply
    84,491.64x = 116,577.72 × 51,777.12
  4. Step 4: Simplify right side
    84,491.64x = 6,036,058,597.77
  5. Step 5: Solve for x
    x = 6,036,058,597.77/84,491.64
  6. Step 6: Final answer
    x = 71,439.71

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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.