Home / 78,693.83-108,594.57-42,883.22

Finding the Fourth Proportional to 78,693.83, 108,594.57 and 42,883.22

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Solution

The fourth proportional to 78,693.83, 108,594.57 and 42,883.22 is: 59,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,693.83 : 108,594.57 = 42,883.22 : x
  2. Step 2: Convert to fraction form
    78,693.83/108,594.57 = 42,883.22/x
  3. Step 3: Cross multiply
    78,693.83x = 108,594.57 × 42,883.22
  4. Step 4: Simplify right side
    78,693.83x = 4,656,885,268.41
  5. Step 5: Solve for x
    x = 4,656,885,268.41/78,693.83
  6. Step 6: Final answer
    x = 59,177.26

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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.