Home / 49,051.01-67,689.11-28,636.98

Finding the Fourth Proportional to 49,051.01, 67,689.11 and 28,636.98

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Solution

The fourth proportional to 49,051.01, 67,689.11 and 28,636.98 is: 39,518.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,051.01 : 67,689.11 = 28,636.98 : x
  2. Step 2: Convert to fraction form
    49,051.01/67,689.11 = 28,636.98/x
  3. Step 3: Cross multiply
    49,051.01x = 67,689.11 × 28,636.98
  4. Step 4: Simplify right side
    49,051.01x = 1,938,411,689.29
  5. Step 5: Solve for x
    x = 1,938,411,689.29/49,051.01
  6. Step 6: Final answer
    x = 39,518.29

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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.