Home / 111,834.75-154,331.96-60,847.50

Finding the Fourth Proportional to 111,834.75, 154,331.96 and 60,847.50

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Solution

The fourth proportional to 111,834.75, 154,331.96 and 60,847.50 is: 83,969.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,834.75 : 154,331.96 = 60,847.50 : x
  2. Step 2: Convert to fraction form
    111,834.75/154,331.96 = 60,847.50/x
  3. Step 3: Cross multiply
    111,834.75x = 154,331.96 × 60,847.50
  4. Step 4: Simplify right side
    111,834.75x = 9,390,714,381.74
  5. Step 5: Solve for x
    x = 9,390,714,381.74/111,834.75
  6. Step 6: Final answer
    x = 83,969.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.