Home / 99,735.60-149,478.66-49,829.67

Finding the Fourth Proportional to 99,735.60, 149,478.66 and 49,829.67

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Solution

The fourth proportional to 99,735.60, 149,478.66 and 49,829.67 is: 74,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,735.60 : 149,478.66 = 49,829.67 : x
  2. Step 2: Convert to fraction form
    99,735.60/149,478.66 = 49,829.67/x
  3. Step 3: Cross multiply
    99,735.60x = 149,478.66 × 49,829.67
  4. Step 4: Simplify right side
    99,735.60x = 7,448,472,299.84
  5. Step 5: Solve for x
    x = 7,448,472,299.84/99,735.60
  6. Step 6: Final answer
    x = 74,682.18

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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.