Home / 101,537.13-140,116.68-56,211.93

Finding the Fourth Proportional to 101,537.13, 140,116.68 and 56,211.93

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Solution

The fourth proportional to 101,537.13, 140,116.68 and 56,211.93 is: 77,569.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,537.13 : 140,116.68 = 56,211.93 : x
  2. Step 2: Convert to fraction form
    101,537.13/140,116.68 = 56,211.93/x
  3. Step 3: Cross multiply
    101,537.13x = 140,116.68 × 56,211.93
  4. Step 4: Simplify right side
    101,537.13x = 7,876,229,007.99
  5. Step 5: Solve for x
    x = 7,876,229,007.99/101,537.13
  6. Step 6: Final answer
    x = 77,569.94

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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.