Home / 105,409.96-158,044.88-58,047.36

Finding the Fourth Proportional to 105,409.96, 158,044.88 and 58,047.36

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Solution

The fourth proportional to 105,409.96, 158,044.88 and 58,047.36 is: 87,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,409.96 : 158,044.88 = 58,047.36 : x
  2. Step 2: Convert to fraction form
    105,409.96/158,044.88 = 58,047.36/x
  3. Step 3: Cross multiply
    105,409.96x = 158,044.88 × 58,047.36
  4. Step 4: Simplify right side
    105,409.96x = 9,174,087,723.58
  5. Step 5: Solve for x
    x = 9,174,087,723.58/105,409.96
  6. Step 6: Final answer
    x = 87,032.45

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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.