Home / 78,734.43-118,057.91-56,558.25

Finding the Fourth Proportional to 78,734.43, 118,057.91 and 56,558.25

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Solution

The fourth proportional to 78,734.43, 118,057.91 and 56,558.25 is: 84,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,734.43 : 118,057.91 = 56,558.25 : x
  2. Step 2: Convert to fraction form
    78,734.43/118,057.91 = 56,558.25/x
  3. Step 3: Cross multiply
    78,734.43x = 118,057.91 × 56,558.25
  4. Step 4: Simplify right side
    78,734.43x = 6,677,148,505.47
  5. Step 5: Solve for x
    x = 6,677,148,505.47/78,734.43
  6. Step 6: Final answer
    x = 84,805.95

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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.