Home / 74,197.10-102,427.46-42,359.85

Finding the Fourth Proportional to 74,197.10, 102,427.46 and 42,359.85

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Solution

The fourth proportional to 74,197.10, 102,427.46 and 42,359.85 is: 58,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,197.10 : 102,427.46 = 42,359.85 : x
  2. Step 2: Convert to fraction form
    74,197.10/102,427.46 = 42,359.85/x
  3. Step 3: Cross multiply
    74,197.10x = 102,427.46 × 42,359.85
  4. Step 4: Simplify right side
    74,197.10x = 4,338,811,841.48
  5. Step 5: Solve for x
    x = 4,338,811,841.48/74,197.10
  6. Step 6: Final answer
    x = 58,476.84

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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.