Home / 49,353.76-68,106.38-28,128.93

Finding the Fourth Proportional to 49,353.76, 68,106.38 and 28,128.93

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Solution

The fourth proportional to 49,353.76, 68,106.38 and 28,128.93 is: 38,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,353.76 : 68,106.38 = 28,128.93 : x
  2. Step 2: Convert to fraction form
    49,353.76/68,106.38 = 28,128.93/x
  3. Step 3: Cross multiply
    49,353.76x = 68,106.38 × 28,128.93
  4. Step 4: Simplify right side
    49,353.76x = 1,915,759,595.57
  5. Step 5: Solve for x
    x = 1,915,759,595.57/49,353.76
  6. Step 6: Final answer
    x = 38,816.89

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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.