Home / 92,453.10-138,328.65-61,349.10

Finding the Fourth Proportional to 92,453.10, 138,328.65 and 61,349.10

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Solution

The fourth proportional to 92,453.10, 138,328.65 and 61,349.10 is: 91,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,453.10 : 138,328.65 = 61,349.10 : x
  2. Step 2: Convert to fraction form
    92,453.10/138,328.65 = 61,349.10/x
  3. Step 3: Cross multiply
    92,453.10x = 138,328.65 × 61,349.10
  4. Step 4: Simplify right side
    92,453.10x = 8,486,338,181.72
  5. Step 5: Solve for x
    x = 8,486,338,181.72/92,453.10
  6. Step 6: Final answer
    x = 91,790.74

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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.