Home / 86,110.48-118,835.08-52,125.16

Finding the Fourth Proportional to 86,110.48, 118,835.08 and 52,125.16

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Solution

The fourth proportional to 86,110.48, 118,835.08 and 52,125.16 is: 71,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,110.48 : 118,835.08 = 52,125.16 : x
  2. Step 2: Convert to fraction form
    86,110.48/118,835.08 = 52,125.16/x
  3. Step 3: Cross multiply
    86,110.48x = 118,835.08 × 52,125.16
  4. Step 4: Simplify right side
    86,110.48x = 6,194,297,558.61
  5. Step 5: Solve for x
    x = 6,194,297,558.61/86,110.48
  6. Step 6: Final answer
    x = 71,934.31

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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.