Home / 105,979.90-159,024.36-58,586.14

Finding the Fourth Proportional to 105,979.90, 159,024.36 and 58,586.14

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Solution

The fourth proportional to 105,979.90, 159,024.36 and 58,586.14 is: 87,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,979.90 : 159,024.36 = 58,586.14 : x
  2. Step 2: Convert to fraction form
    105,979.90/159,024.36 = 58,586.14/x
  3. Step 3: Cross multiply
    105,979.90x = 159,024.36 × 58,586.14
  4. Step 4: Simplify right side
    105,979.90x = 9,316,623,418.37
  5. Step 5: Solve for x
    x = 9,316,623,418.37/105,979.90
  6. Step 6: Final answer
    x = 87,909.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.