Home / 101,643.11-152,604.33-51,756.74

Finding the Fourth Proportional to 101,643.11, 152,604.33 and 51,756.74

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Solution

The fourth proportional to 101,643.11, 152,604.33 and 51,756.74 is: 77,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,643.11 : 152,604.33 = 51,756.74 : x
  2. Step 2: Convert to fraction form
    101,643.11/152,604.33 = 51,756.74/x
  3. Step 3: Cross multiply
    101,643.11x = 152,604.33 × 51,756.74
  4. Step 4: Simplify right side
    101,643.11x = 7,898,302,630.68
  5. Step 5: Solve for x
    x = 7,898,302,630.68/101,643.11
  6. Step 6: Final answer
    x = 77,706.23

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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.