Home / 67,828.68-93,613.14-37,620.72

Finding the Fourth Proportional to 67,828.68, 93,613.14 and 37,620.72

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Solution

The fourth proportional to 67,828.68, 93,613.14 and 37,620.72 is: 51,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,828.68 : 93,613.14 = 37,620.72 : x
  2. Step 2: Convert to fraction form
    67,828.68/93,613.14 = 37,620.72/x
  3. Step 3: Cross multiply
    67,828.68x = 93,613.14 × 37,620.72
  4. Step 4: Simplify right side
    67,828.68x = 3,521,793,728.26
  5. Step 5: Solve for x
    x = 3,521,793,728.26/67,828.68
  6. Step 6: Final answer
    x = 51,921.90

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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.