Home / 67,840.39-93,608.53-37,620.91

Finding the Fourth Proportional to 67,840.39, 93,608.53 and 37,620.91

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Solution

The fourth proportional to 67,840.39, 93,608.53 and 37,620.91 is: 51,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,840.39 : 93,608.53 = 37,620.91 : x
  2. Step 2: Convert to fraction form
    67,840.39/93,608.53 = 37,620.91/x
  3. Step 3: Cross multiply
    67,840.39x = 93,608.53 × 37,620.91
  4. Step 4: Simplify right side
    67,840.39x = 3,521,637,894.26
  5. Step 5: Solve for x
    x = 3,521,637,894.26/67,840.39
  6. Step 6: Final answer
    x = 51,910.64

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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.