Home / 92,985.42-139,470.21-36,810.25

Finding the Fourth Proportional to 92,985.42, 139,470.21 and 36,810.25

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Solution

The fourth proportional to 92,985.42, 139,470.21 and 36,810.25 is: 55,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,985.42 : 139,470.21 = 36,810.25 : x
  2. Step 2: Convert to fraction form
    92,985.42/139,470.21 = 36,810.25/x
  3. Step 3: Cross multiply
    92,985.42x = 139,470.21 × 36,810.25
  4. Step 4: Simplify right side
    92,985.42x = 5,133,933,297.65
  5. Step 5: Solve for x
    x = 5,133,933,297.65/92,985.42
  6. Step 6: Final answer
    x = 55,212.24

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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.