Home / 104,918.16-157,423.71-54,986.32

Finding the Fourth Proportional to 104,918.16, 157,423.71 and 54,986.32

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Solution

The fourth proportional to 104,918.16, 157,423.71 and 54,986.32 is: 82,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,918.16 : 157,423.71 = 54,986.32 : x
  2. Step 2: Convert to fraction form
    104,918.16/157,423.71 = 54,986.32/x
  3. Step 3: Cross multiply
    104,918.16x = 157,423.71 × 54,986.32
  4. Step 4: Simplify right side
    104,918.16x = 8,656,149,706.53
  5. Step 5: Solve for x
    x = 8,656,149,706.53/104,918.16
  6. Step 6: Final answer
    x = 82,503.83

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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.