Home / 111,675.29-154,112.92-60,688.04

Finding the Fourth Proportional to 111,675.29, 154,112.92 and 60,688.04

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Solution

The fourth proportional to 111,675.29, 154,112.92 and 60,688.04 is: 83,750.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,675.29 : 154,112.92 = 60,688.04 : x
  2. Step 2: Convert to fraction form
    111,675.29/154,112.92 = 60,688.04/x
  3. Step 3: Cross multiply
    111,675.29x = 154,112.92 × 60,688.04
  4. Step 4: Simplify right side
    111,675.29x = 9,352,810,131.19
  5. Step 5: Solve for x
    x = 9,352,810,131.19/111,675.29
  6. Step 6: Final answer
    x = 83,750.04

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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.