Home / 81,167.32-112,153.98-62,466.04

Finding the Fourth Proportional to 81,167.32, 112,153.98 and 62,466.04

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Solution

The fourth proportional to 81,167.32, 112,153.98 and 62,466.04 is: 86,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,167.32 : 112,153.98 = 62,466.04 : x
  2. Step 2: Convert to fraction form
    81,167.32/112,153.98 = 62,466.04/x
  3. Step 3: Cross multiply
    81,167.32x = 112,153.98 × 62,466.04
  4. Step 4: Simplify right side
    81,167.32x = 7,005,815,000.84
  5. Step 5: Solve for x
    x = 7,005,815,000.84/81,167.32
  6. Step 6: Final answer
    x = 86,313.25

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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.