Home / 61,396.32-84,636.72-43,435.92

Finding the Fourth Proportional to 61,396.32, 84,636.72 and 43,435.92

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Solution

The fourth proportional to 61,396.32, 84,636.72 and 43,435.92 is: 59,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,396.32 : 84,636.72 = 43,435.92 : x
  2. Step 2: Convert to fraction form
    61,396.32/84,636.72 = 43,435.92/x
  3. Step 3: Cross multiply
    61,396.32x = 84,636.72 × 43,435.92
  4. Step 4: Simplify right side
    61,396.32x = 3,676,273,798.98
  5. Step 5: Solve for x
    x = 3,676,273,798.98/61,396.32
  6. Step 6: Final answer
    x = 59,877.75

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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.