Home / 72,072.12-108,108.57-47,269.24

Finding the Fourth Proportional to 72,072.12, 108,108.57 and 47,269.24

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Solution

The fourth proportional to 72,072.12, 108,108.57 and 47,269.24 is: 70,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,072.12 : 108,108.57 = 47,269.24 : x
  2. Step 2: Convert to fraction form
    72,072.12/108,108.57 = 47,269.24/x
  3. Step 3: Cross multiply
    72,072.12x = 108,108.57 × 47,269.24
  4. Step 4: Simplify right side
    72,072.12x = 5,110,209,582.49
  5. Step 5: Solve for x
    x = 5,110,209,582.49/72,072.12
  6. Step 6: Final answer
    x = 70,904.11

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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.