Home / 99,829.88-149,670.99-60,378.24

Finding the Fourth Proportional to 99,829.88, 149,670.99 and 60,378.24

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Solution

The fourth proportional to 99,829.88, 149,670.99 and 60,378.24 is: 90,522.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,829.88 : 149,670.99 = 60,378.24 : x
  2. Step 2: Convert to fraction form
    99,829.88/149,670.99 = 60,378.24/x
  3. Step 3: Cross multiply
    99,829.88x = 149,670.99 × 60,378.24
  4. Step 4: Simplify right side
    99,829.88x = 9,036,870,955.26
  5. Step 5: Solve for x
    x = 9,036,870,955.26/99,829.88
  6. Step 6: Final answer
    x = 90,522.71

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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.