Home / 81,772.35-112,849.04-45,962.25

Finding the Fourth Proportional to 81,772.35, 112,849.04 and 45,962.25

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Solution

The fourth proportional to 81,772.35, 112,849.04 and 45,962.25 is: 63,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,772.35 : 112,849.04 = 45,962.25 : x
  2. Step 2: Convert to fraction form
    81,772.35/112,849.04 = 45,962.25/x
  3. Step 3: Cross multiply
    81,772.35x = 112,849.04 × 45,962.25
  4. Step 4: Simplify right side
    81,772.35x = 5,186,795,788.74
  5. Step 5: Solve for x
    x = 5,186,795,788.74/81,772.35
  6. Step 6: Final answer
    x = 63,429.70

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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.