Home / 104,914.76-157,373.28-83,987.84

Finding the Fourth Proportional to 104,914.76, 157,373.28 and 83,987.84

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Solution

The fourth proportional to 104,914.76, 157,373.28 and 83,987.84 is: 125,982.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,914.76 : 157,373.28 = 83,987.84 : x
  2. Step 2: Convert to fraction form
    104,914.76/157,373.28 = 83,987.84/x
  3. Step 3: Cross multiply
    104,914.76x = 157,373.28 × 83,987.84
  4. Step 4: Simplify right side
    104,914.76x = 13,217,441,860.92
  5. Step 5: Solve for x
    x = 13,217,441,860.92/104,914.76
  6. Step 6: Final answer
    x = 125,982.67

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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.