Home / 71,151.09-98,184.64-39,317.94

Finding the Fourth Proportional to 71,151.09, 98,184.64 and 39,317.94

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Solution

The fourth proportional to 71,151.09, 98,184.64 and 39,317.94 is: 54,256.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,151.09 : 98,184.64 = 39,317.94 : x
  2. Step 2: Convert to fraction form
    71,151.09/98,184.64 = 39,317.94/x
  3. Step 3: Cross multiply
    71,151.09x = 98,184.64 × 39,317.94
  4. Step 4: Simplify right side
    71,151.09x = 3,860,417,784.44
  5. Step 5: Solve for x
    x = 3,860,417,784.44/71,151.09
  6. Step 6: Final answer
    x = 54,256.62

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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.