Home / 45,107.53-67,616.67-21,373.38

Finding the Fourth Proportional to 45,107.53, 67,616.67 and 21,373.38

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Solution

The fourth proportional to 45,107.53, 67,616.67 and 21,373.38 is: 32,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,107.53 : 67,616.67 = 21,373.38 : x
  2. Step 2: Convert to fraction form
    45,107.53/67,616.67 = 21,373.38/x
  3. Step 3: Cross multiply
    45,107.53x = 67,616.67 × 21,373.38
  4. Step 4: Simplify right side
    45,107.53x = 1,445,196,782.24
  5. Step 5: Solve for x
    x = 1,445,196,782.24/45,107.53
  6. Step 6: Final answer
    x = 32,038.93

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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.