Home / 105,771.14-158,507.54-58,407.56

Finding the Fourth Proportional to 105,771.14, 158,507.54 and 58,407.56

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Solution

The fourth proportional to 105,771.14, 158,507.54 and 58,407.56 is: 87,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,771.14 : 158,507.54 = 58,407.56 : x
  2. Step 2: Convert to fraction form
    105,771.14/158,507.54 = 58,407.56/x
  3. Step 3: Cross multiply
    105,771.14x = 158,507.54 × 58,407.56
  4. Step 4: Simplify right side
    105,771.14x = 9,258,038,381.86
  5. Step 5: Solve for x
    x = 9,258,038,381.86/105,771.14
  6. Step 6: Final answer
    x = 87,528.96

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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.