Home / 86,231.01-118,965.73-63,623.91

Finding the Fourth Proportional to 86,231.01, 118,965.73 and 63,623.91

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Solution

The fourth proportional to 86,231.01, 118,965.73 and 63,623.91 is: 87,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,231.01 : 118,965.73 = 63,623.91 : x
  2. Step 2: Convert to fraction form
    86,231.01/118,965.73 = 63,623.91/x
  3. Step 3: Cross multiply
    86,231.01x = 118,965.73 × 63,623.91
  4. Step 4: Simplify right side
    86,231.01x = 7,569,064,898.60
  5. Step 5: Solve for x
    x = 7,569,064,898.60/86,231.01
  6. Step 6: Final answer
    x = 87,776.60

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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.