Home / 49,950.95-68,934.38-28,730.23

Finding the Fourth Proportional to 49,950.95, 68,934.38 and 28,730.23

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Solution

The fourth proportional to 49,950.95, 68,934.38 and 28,730.23 is: 39,648.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,950.95 : 68,934.38 = 28,730.23 : x
  2. Step 2: Convert to fraction form
    49,950.95/68,934.38 = 28,730.23/x
  3. Step 3: Cross multiply
    49,950.95x = 68,934.38 × 28,730.23
  4. Step 4: Simplify right side
    49,950.95x = 1,980,500,276.32
  5. Step 5: Solve for x
    x = 1,980,500,276.32/49,950.95
  6. Step 6: Final answer
    x = 39,648.91

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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.