Home / 82,979.16-114,511.68-45,253.68

Finding the Fourth Proportional to 82,979.16, 114,511.68 and 45,253.68

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Solution

The fourth proportional to 82,979.16, 114,511.68 and 45,253.68 is: 62,450.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,979.16 : 114,511.68 = 45,253.68 : x
  2. Step 2: Convert to fraction form
    82,979.16/114,511.68 = 45,253.68/x
  3. Step 3: Cross multiply
    82,979.16x = 114,511.68 × 45,253.68
  4. Step 4: Simplify right side
    82,979.16x = 5,182,074,922.98
  5. Step 5: Solve for x
    x = 5,182,074,922.98/82,979.16
  6. Step 6: Final answer
    x = 62,450.32

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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.