Home / 104,887.41-144,743.33-57,139.74

Finding the Fourth Proportional to 104,887.41, 144,743.33 and 57,139.74

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Solution

The fourth proportional to 104,887.41, 144,743.33 and 57,139.74 is: 78,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,887.41 : 144,743.33 = 57,139.74 : x
  2. Step 2: Convert to fraction form
    104,887.41/144,743.33 = 57,139.74/x
  3. Step 3: Cross multiply
    104,887.41x = 144,743.33 × 57,139.74
  4. Step 4: Simplify right side
    104,887.41x = 8,270,595,957.24
  5. Step 5: Solve for x
    x = 8,270,595,957.24/104,887.41
  6. Step 6: Final answer
    x = 78,852.13

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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.