Home / 101,986.16-152,956.14-38,783.76

Finding the Fourth Proportional to 101,986.16, 152,956.14 and 38,783.76

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Solution

The fourth proportional to 101,986.16, 152,956.14 and 38,783.76 is: 58,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,986.16 : 152,956.14 = 38,783.76 : x
  2. Step 2: Convert to fraction form
    101,986.16/152,956.14 = 38,783.76/x
  3. Step 3: Cross multiply
    101,986.16x = 152,956.14 × 38,783.76
  4. Step 4: Simplify right side
    101,986.16x = 5,932,214,224.29
  5. Step 5: Solve for x
    x = 5,932,214,224.29/101,986.16
  6. Step 6: Final answer
    x = 58,166.86

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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.