Home / 78,926.40-118,405.60-29,006.91

Finding the Fourth Proportional to 78,926.40, 118,405.60 and 29,006.91

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Solution

The fourth proportional to 78,926.40, 118,405.60 and 29,006.91 is: 43,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,926.40 : 118,405.60 = 29,006.91 : x
  2. Step 2: Convert to fraction form
    78,926.40/118,405.60 = 29,006.91/x
  3. Step 3: Cross multiply
    78,926.40x = 118,405.60 × 29,006.91
  4. Step 4: Simplify right side
    78,926.40x = 3,434,580,510.18
  5. Step 5: Solve for x
    x = 3,434,580,510.18/78,926.40
  6. Step 6: Final answer
    x = 43,516.24

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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.