Home / 49,835.77-68,779.20-28,328.74

Finding the Fourth Proportional to 49,835.77, 68,779.20 and 28,328.74

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Solution

The fourth proportional to 49,835.77, 68,779.20 and 28,328.74 is: 39,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,835.77 : 68,779.20 = 28,328.74 : x
  2. Step 2: Convert to fraction form
    49,835.77/68,779.20 = 28,328.74/x
  3. Step 3: Cross multiply
    49,835.77x = 68,779.20 × 28,328.74
  4. Step 4: Simplify right side
    49,835.77x = 1,948,428,074.21
  5. Step 5: Solve for x
    x = 1,948,428,074.21/49,835.77
  6. Step 6: Final answer
    x = 39,096.98

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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.