Home / 74,881.06-112,255.94-28,166.74

Finding the Fourth Proportional to 74,881.06, 112,255.94 and 28,166.74

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Solution

The fourth proportional to 74,881.06, 112,255.94 and 28,166.74 is: 42,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,881.06 : 112,255.94 = 28,166.74 : x
  2. Step 2: Convert to fraction form
    74,881.06/112,255.94 = 28,166.74/x
  3. Step 3: Cross multiply
    74,881.06x = 112,255.94 × 28,166.74
  4. Step 4: Simplify right side
    74,881.06x = 3,161,883,665.21
  5. Step 5: Solve for x
    x = 3,161,883,665.21/74,881.06
  6. Step 6: Final answer
    x = 42,225.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.