Home / 78,898.25-108,879.98-43,088.26

Finding the Fourth Proportional to 78,898.25, 108,879.98 and 43,088.26

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Solution

The fourth proportional to 78,898.25, 108,879.98 and 43,088.26 is: 59,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,898.25 : 108,879.98 = 43,088.26 : x
  2. Step 2: Convert to fraction form
    78,898.25/108,879.98 = 43,088.26/x
  3. Step 3: Cross multiply
    78,898.25x = 108,879.98 × 43,088.26
  4. Step 4: Simplify right side
    78,898.25x = 4,691,448,887.03
  5. Step 5: Solve for x
    x = 4,691,448,887.03/78,898.25
  6. Step 6: Final answer
    x = 59,462.01

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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.