Home / 86,580.04-129,883.71-36,660.41

Finding the Fourth Proportional to 86,580.04, 129,883.71 and 36,660.41

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Solution

The fourth proportional to 86,580.04, 129,883.71 and 36,660.41 is: 54,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,580.04 : 129,883.71 = 36,660.41 : x
  2. Step 2: Convert to fraction form
    86,580.04/129,883.71 = 36,660.41/x
  3. Step 3: Cross multiply
    86,580.04x = 129,883.71 × 36,660.41
  4. Step 4: Simplify right side
    86,580.04x = 4,761,590,060.92
  5. Step 5: Solve for x
    x = 4,761,590,060.92/86,580.04
  6. Step 6: Final answer
    x = 54,996.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.