Home / 74,867.76-103,430.22-49,087.59

Finding the Fourth Proportional to 74,867.76, 103,430.22 and 49,087.59

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Solution

The fourth proportional to 74,867.76, 103,430.22 and 49,087.59 is: 67,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,867.76 : 103,430.22 = 49,087.59 : x
  2. Step 2: Convert to fraction form
    74,867.76/103,430.22 = 49,087.59/x
  3. Step 3: Cross multiply
    74,867.76x = 103,430.22 × 49,087.59
  4. Step 4: Simplify right side
    74,867.76x = 5,077,140,232.97
  5. Step 5: Solve for x
    x = 5,077,140,232.97/74,867.76
  6. Step 6: Final answer
    x = 67,814.77

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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.