Home / 106,106.13-159,169.59-38,656.50

Finding the Fourth Proportional to 106,106.13, 159,169.59 and 38,656.50

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Solution

The fourth proportional to 106,106.13, 159,169.59 and 38,656.50 is: 57,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,106.13 : 159,169.59 = 38,656.50 : x
  2. Step 2: Convert to fraction form
    106,106.13/159,169.59 = 38,656.50/x
  3. Step 3: Cross multiply
    106,106.13x = 159,169.59 × 38,656.50
  4. Step 4: Simplify right side
    106,106.13x = 6,152,939,255.84
  5. Step 5: Solve for x
    x = 6,152,939,255.84/106,106.13
  6. Step 6: Final answer
    x = 57,988.54

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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.