Home / 105,717.72-158,526.36-61,358.07

Finding the Fourth Proportional to 105,717.72, 158,526.36 and 61,358.07

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Solution

The fourth proportional to 105,717.72, 158,526.36 and 61,358.07 is: 92,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,717.72 : 158,526.36 = 61,358.07 : x
  2. Step 2: Convert to fraction form
    105,717.72/158,526.36 = 61,358.07/x
  3. Step 3: Cross multiply
    105,717.72x = 158,526.36 × 61,358.07
  4. Step 4: Simplify right side
    105,717.72x = 9,726,871,493.73
  5. Step 5: Solve for x
    x = 9,726,871,493.73/105,717.72
  6. Step 6: Final answer
    x = 92,007.96

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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.