Home / 103,799.13-155,747.84-61,762.29

Finding the Fourth Proportional to 103,799.13, 155,747.84 and 61,762.29

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Solution

The fourth proportional to 103,799.13, 155,747.84 and 61,762.29 is: 92,672.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,799.13 : 155,747.84 = 61,762.29 : x
  2. Step 2: Convert to fraction form
    103,799.13/155,747.84 = 61,762.29/x
  3. Step 3: Cross multiply
    103,799.13x = 155,747.84 × 61,762.29
  4. Step 4: Simplify right side
    103,799.13x = 9,619,342,952.14
  5. Step 5: Solve for x
    x = 9,619,342,952.14/103,799.13
  6. Step 6: Final answer
    x = 92,672.67

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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.