Home / 105,844.31-146,060.16-57,445.14

Finding the Fourth Proportional to 105,844.31, 146,060.16 and 57,445.14

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Solution

The fourth proportional to 105,844.31, 146,060.16 and 57,445.14 is: 79,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,844.31 : 146,060.16 = 57,445.14 : x
  2. Step 2: Convert to fraction form
    105,844.31/146,060.16 = 57,445.14/x
  3. Step 3: Cross multiply
    105,844.31x = 146,060.16 × 57,445.14
  4. Step 4: Simplify right side
    105,844.31x = 8,390,446,892.36
  5. Step 5: Solve for x
    x = 8,390,446,892.36/105,844.31
  6. Step 6: Final answer
    x = 79,271.59

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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.