Home / 49,909.05-68,886.05-28,700.55

Finding the Fourth Proportional to 49,909.05, 68,886.05 and 28,700.55

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Solution

The fourth proportional to 49,909.05, 68,886.05 and 28,700.55 is: 39,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,909.05 : 68,886.05 = 28,700.55 : x
  2. Step 2: Convert to fraction form
    49,909.05/68,886.05 = 28,700.55/x
  3. Step 3: Cross multiply
    49,909.05x = 68,886.05 × 28,700.55
  4. Step 4: Simplify right side
    49,909.05x = 1,977,067,378.82
  5. Step 5: Solve for x
    x = 1,977,067,378.82/49,909.05
  6. Step 6: Final answer
    x = 39,613.40

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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.