Home / 103,423.30-155,134.95-33,302.62

Finding the Fourth Proportional to 103,423.30, 155,134.95 and 33,302.62

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Solution

The fourth proportional to 103,423.30, 155,134.95 and 33,302.62 is: 49,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,423.30 : 155,134.95 = 33,302.62 : x
  2. Step 2: Convert to fraction form
    103,423.30/155,134.95 = 33,302.62/x
  3. Step 3: Cross multiply
    103,423.30x = 155,134.95 × 33,302.62
  4. Step 4: Simplify right side
    103,423.30x = 5,166,400,288.57
  5. Step 5: Solve for x
    x = 5,166,400,288.57/103,423.30
  6. Step 6: Final answer
    x = 49,953.93

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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.