Home / 77,281.50-115,997.04-37,328.52

Finding the Fourth Proportional to 77,281.50, 115,997.04 and 37,328.52

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Solution

The fourth proportional to 77,281.50, 115,997.04 and 37,328.52 is: 56,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,281.50 : 115,997.04 = 37,328.52 : x
  2. Step 2: Convert to fraction form
    77,281.50/115,997.04 = 37,328.52/x
  3. Step 3: Cross multiply
    77,281.50x = 115,997.04 × 37,328.52
  4. Step 4: Simplify right side
    77,281.50x = 4,329,997,827.58
  5. Step 5: Solve for x
    x = 4,329,997,827.58/77,281.50
  6. Step 6: Final answer
    x = 56,028.91

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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.