Home / 63,986.80-95,979.30-28,926.40

Finding the Fourth Proportional to 63,986.80, 95,979.30 and 28,926.40

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Solution

The fourth proportional to 63,986.80, 95,979.30 and 28,926.40 is: 43,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,986.80 : 95,979.30 = 28,926.40 : x
  2. Step 2: Convert to fraction form
    63,986.80/95,979.30 = 28,926.40/x
  3. Step 3: Cross multiply
    63,986.80x = 95,979.30 × 28,926.40
  4. Step 4: Simplify right side
    63,986.80x = 2,776,335,623.52
  5. Step 5: Solve for x
    x = 2,776,335,623.52/63,986.80
  6. Step 6: Final answer
    x = 43,389.19

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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.