Home / 101,916.46-140,640.01-56,597.33

Finding the Fourth Proportional to 101,916.46, 140,640.01 and 56,597.33

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Solution

The fourth proportional to 101,916.46, 140,640.01 and 56,597.33 is: 78,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,916.46 : 140,640.01 = 56,597.33 : x
  2. Step 2: Convert to fraction form
    101,916.46/140,640.01 = 56,597.33/x
  3. Step 3: Cross multiply
    101,916.46x = 140,640.01 × 56,597.33
  4. Step 4: Simplify right side
    101,916.46x = 7,959,849,267.28
  5. Step 5: Solve for x
    x = 7,959,849,267.28/101,916.46
  6. Step 6: Final answer
    x = 78,101.71

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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.