Home / 78,926.40-118,195.20-59,097.60

Finding the Fourth Proportional to 78,926.40, 118,195.20 and 59,097.60

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Solution

The fourth proportional to 78,926.40, 118,195.20 and 59,097.60 is: 88,500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,926.40 : 118,195.20 = 59,097.60 : x
  2. Step 2: Convert to fraction form
    78,926.40/118,195.20 = 59,097.60/x
  3. Step 3: Cross multiply
    78,926.40x = 118,195.20 × 59,097.60
  4. Step 4: Simplify right side
    78,926.40x = 6,985,052,651.52
  5. Step 5: Solve for x
    x = 6,985,052,651.52/78,926.40
  6. Step 6: Final answer
    x = 88,500.84

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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.