Home / 66,606.76-99,824.01-49,835.20

Finding the Fourth Proportional to 66,606.76, 99,824.01 and 49,835.20

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Solution

The fourth proportional to 66,606.76, 99,824.01 and 49,835.20 is: 74,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,606.76 : 99,824.01 = 49,835.20 : x
  2. Step 2: Convert to fraction form
    66,606.76/99,824.01 = 49,835.20/x
  3. Step 3: Cross multiply
    66,606.76x = 99,824.01 × 49,835.20
  4. Step 4: Simplify right side
    66,606.76x = 4,974,749,503.15
  5. Step 5: Solve for x
    x = 4,974,749,503.15/66,606.76
  6. Step 6: Final answer
    x = 74,688.36

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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.