Home / 77,195.34-115,590-62,122.32

Finding the Fourth Proportional to 77,195.34, 115,590 and 62,122.32

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Solution

The fourth proportional to 77,195.34, 115,590 and 62,122.32 is: 93,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,195.34 : 115,590 = 62,122.32 : x
  2. Step 2: Convert to fraction form
    77,195.34/115,590 = 62,122.32/x
  3. Step 3: Cross multiply
    77,195.34x = 115,590 × 62,122.32
  4. Step 4: Simplify right side
    77,195.34x = 7,180,718,968.80
  5. Step 5: Solve for x
    x = 7,180,718,968.80/77,195.34
  6. Step 6: Final answer
    x = 93,020.11

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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.