Home / 82,274.64-113,454.12-70,377.36

Finding the Fourth Proportional to 82,274.64, 113,454.12 and 70,377.36

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Solution

The fourth proportional to 82,274.64, 113,454.12 and 70,377.36 is: 97,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,274.64 : 113,454.12 = 70,377.36 : x
  2. Step 2: Convert to fraction form
    82,274.64/113,454.12 = 70,377.36/x
  3. Step 3: Cross multiply
    82,274.64x = 113,454.12 × 70,377.36
  4. Step 4: Simplify right side
    82,274.64x = 7,984,601,446.72
  5. Step 5: Solve for x
    x = 7,984,601,446.72/82,274.64
  6. Step 6: Final answer
    x = 97,048.15

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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.