Home / 78,693.04-108,596.39-42,883.04

Finding the Fourth Proportional to 78,693.04, 108,596.39 and 42,883.04

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Solution

The fourth proportional to 78,693.04, 108,596.39 and 42,883.04 is: 59,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,693.04 : 108,596.39 = 42,883.04 : x
  2. Step 2: Convert to fraction form
    78,693.04/108,596.39 = 42,883.04/x
  3. Step 3: Cross multiply
    78,693.04x = 108,596.39 × 42,883.04
  4. Step 4: Simplify right side
    78,693.04x = 4,656,943,336.23
  5. Step 5: Solve for x
    x = 4,656,943,336.23/78,693.04
  6. Step 6: Final answer
    x = 59,178.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.