Home / 78,932.80-118,395.34-29,009.06

Finding the Fourth Proportional to 78,932.80, 118,395.34 and 29,009.06

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Solution

The fourth proportional to 78,932.80, 118,395.34 and 29,009.06 is: 43,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,932.80 : 118,395.34 = 29,009.06 : x
  2. Step 2: Convert to fraction form
    78,932.80/118,395.34 = 29,009.06/x
  3. Step 3: Cross multiply
    78,932.80x = 118,395.34 × 29,009.06
  4. Step 4: Simplify right side
    78,932.80x = 3,434,536,784.76
  5. Step 5: Solve for x
    x = 3,434,536,784.76/78,932.80
  6. Step 6: Final answer
    x = 43,512.16

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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.