Home / 82,284.35-113,474.40-56,749.91

Finding the Fourth Proportional to 82,284.35, 113,474.40 and 56,749.91

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Solution

The fourth proportional to 82,284.35, 113,474.40 and 56,749.91 is: 78,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,284.35 : 113,474.40 = 56,749.91 : x
  2. Step 2: Convert to fraction form
    82,284.35/113,474.40 = 56,749.91/x
  3. Step 3: Cross multiply
    82,284.35x = 113,474.40 × 56,749.91
  4. Step 4: Simplify right side
    82,284.35x = 6,439,661,987.30
  5. Step 5: Solve for x
    x = 6,439,661,987.30/82,284.35
  6. Step 6: Final answer
    x = 78,261.08

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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.