Home / 67,918.51-93,670.05-43,723.61

Finding the Fourth Proportional to 67,918.51, 93,670.05 and 43,723.61

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Solution

The fourth proportional to 67,918.51, 93,670.05 and 43,723.61 is: 60,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,918.51 : 93,670.05 = 43,723.61 : x
  2. Step 2: Convert to fraction form
    67,918.51/93,670.05 = 43,723.61/x
  3. Step 3: Cross multiply
    67,918.51x = 93,670.05 × 43,723.61
  4. Step 4: Simplify right side
    67,918.51x = 4,095,592,734.88
  5. Step 5: Solve for x
    x = 4,095,592,734.88/67,918.51
  6. Step 6: Final answer
    x = 60,301.57

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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.