Home / 35,146.08-52,702.11-12,969.90

Finding the Fourth Proportional to 35,146.08, 52,702.11 and 12,969.90

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Solution

The fourth proportional to 35,146.08, 52,702.11 and 12,969.90 is: 19,448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,146.08 : 52,702.11 = 12,969.90 : x
  2. Step 2: Convert to fraction form
    35,146.08/52,702.11 = 12,969.90/x
  3. Step 3: Cross multiply
    35,146.08x = 52,702.11 × 12,969.90
  4. Step 4: Simplify right side
    35,146.08x = 683,541,096.49
  5. Step 5: Solve for x
    x = 683,541,096.49/35,146.08
  6. Step 6: Final answer
    x = 19,448.57

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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.