Home / 111,675.84-154,113.62-60,688.56

Finding the Fourth Proportional to 111,675.84, 154,113.62 and 60,688.56

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Solution

The fourth proportional to 111,675.84, 154,113.62 and 60,688.56 is: 83,750.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,675.84 : 154,113.62 = 60,688.56 : x
  2. Step 2: Convert to fraction form
    111,675.84/154,113.62 = 60,688.56/x
  3. Step 3: Cross multiply
    111,675.84x = 154,113.62 × 60,688.56
  4. Step 4: Simplify right side
    111,675.84x = 9,352,933,370.74
  5. Step 5: Solve for x
    x = 9,352,933,370.74/111,675.84
  6. Step 6: Final answer
    x = 83,750.73

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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.