Home / 83,804.39-125,785.59-30,547.85

Finding the Fourth Proportional to 83,804.39, 125,785.59 and 30,547.85

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Solution

The fourth proportional to 83,804.39, 125,785.59 and 30,547.85 is: 45,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,804.39 : 125,785.59 = 30,547.85 : x
  2. Step 2: Convert to fraction form
    83,804.39/125,785.59 = 30,547.85/x
  3. Step 3: Cross multiply
    83,804.39x = 125,785.59 × 30,547.85
  4. Step 4: Simplify right side
    83,804.39x = 3,842,479,471.37
  5. Step 5: Solve for x
    x = 3,842,479,471.37/83,804.39
  6. Step 6: Final answer
    x = 45,850.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.