Home / 104,943.16-144,817.32-57,195.48

Finding the Fourth Proportional to 104,943.16, 144,817.32 and 57,195.48

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Solution

The fourth proportional to 104,943.16, 144,817.32 and 57,195.48 is: 78,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,943.16 : 144,817.32 = 57,195.48 : x
  2. Step 2: Convert to fraction form
    104,943.16/144,817.32 = 57,195.48/x
  3. Step 3: Cross multiply
    104,943.16x = 144,817.32 × 57,195.48
  4. Step 4: Simplify right side
    104,943.16x = 8,282,896,129.71
  5. Step 5: Solve for x
    x = 8,282,896,129.71/104,943.16
  6. Step 6: Final answer
    x = 78,927.45

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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.