Home / 76,033.31-104,925.11-42,042.53

Finding the Fourth Proportional to 76,033.31, 104,925.11 and 42,042.53

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Solution

The fourth proportional to 76,033.31, 104,925.11 and 42,042.53 is: 58,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,033.31 : 104,925.11 = 42,042.53 : x
  2. Step 2: Convert to fraction form
    76,033.31/104,925.11 = 42,042.53/x
  3. Step 3: Cross multiply
    76,033.31x = 104,925.11 × 42,042.53
  4. Step 4: Simplify right side
    76,033.31x = 4,411,317,137.03
  5. Step 5: Solve for x
    x = 4,411,317,137.03/76,033.31
  6. Step 6: Final answer
    x = 58,018.22

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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.