Home / 103,325.10-154,951.20-47,192.10

Finding the Fourth Proportional to 103,325.10, 154,951.20 and 47,192.10

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Solution

The fourth proportional to 103,325.10, 154,951.20 and 47,192.10 is: 70,771.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,325.10 : 154,951.20 = 47,192.10 : x
  2. Step 2: Convert to fraction form
    103,325.10/154,951.20 = 47,192.10/x
  3. Step 3: Cross multiply
    103,325.10x = 154,951.20 × 47,192.10
  4. Step 4: Simplify right side
    103,325.10x = 7,312,472,525.52
  5. Step 5: Solve for x
    x = 7,312,472,525.52/103,325.10
  6. Step 6: Final answer
    x = 70,771.50

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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.