Home / 83,804.08-125,686.68-31,238.32

Finding the Fourth Proportional to 83,804.08, 125,686.68 and 31,238.32

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Solution

The fourth proportional to 83,804.08, 125,686.68 and 31,238.32 is: 46,850.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,804.08 : 125,686.68 = 31,238.32 : x
  2. Step 2: Convert to fraction form
    83,804.08/125,686.68 = 31,238.32/x
  3. Step 3: Cross multiply
    83,804.08x = 125,686.68 × 31,238.32
  4. Step 4: Simplify right side
    83,804.08x = 3,926,240,729.58
  5. Step 5: Solve for x
    x = 3,926,240,729.58/83,804.08
  6. Step 6: Final answer
    x = 46,850.23

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1.5x scale

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.