Home / 74,606.23-111,876.51-39,537.67

Finding the Fourth Proportional to 74,606.23, 111,876.51 and 39,537.67

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Solution

The fourth proportional to 74,606.23, 111,876.51 and 39,537.67 is: 59,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,606.23 : 111,876.51 = 39,537.67 : x
  2. Step 2: Convert to fraction form
    74,606.23/111,876.51 = 39,537.67/x
  3. Step 3: Cross multiply
    74,606.23x = 111,876.51 × 39,537.67
  4. Step 4: Simplify right side
    74,606.23x = 4,423,336,533.13
  5. Step 5: Solve for x
    x = 4,423,336,533.13/74,606.23
  6. Step 6: Final answer
    x = 59,289.10

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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.