Home / 102,466.98-141,404.16-57,145.02

Finding the Fourth Proportional to 102,466.98, 141,404.16 and 57,145.02

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Solution

The fourth proportional to 102,466.98, 141,404.16 and 57,145.02 is: 78,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,466.98 : 141,404.16 = 57,145.02 : x
  2. Step 2: Convert to fraction form
    102,466.98/141,404.16 = 57,145.02/x
  3. Step 3: Cross multiply
    102,466.98x = 141,404.16 × 57,145.02
  4. Step 4: Simplify right side
    102,466.98x = 8,080,543,551.28
  5. Step 5: Solve for x
    x = 8,080,543,551.28/102,466.98
  6. Step 6: Final answer
    x = 78,859.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.