Home / 61,749.50-92,772-39,606.12

Finding the Fourth Proportional to 61,749.50, 92,772 and 39,606.12

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Solution

The fourth proportional to 61,749.50, 92,772 and 39,606.12 is: 59,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,749.50 : 92,772 = 39,606.12 : x
  2. Step 2: Convert to fraction form
    61,749.50/92,772 = 39,606.12/x
  3. Step 3: Cross multiply
    61,749.50x = 92,772 × 39,606.12
  4. Step 4: Simplify right side
    61,749.50x = 3,674,338,964.64
  5. Step 5: Solve for x
    x = 3,674,338,964.64/61,749.50
  6. Step 6: Final answer
    x = 59,503.95

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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.