Home / 75,085.22-103,640.73-43,275.35

Finding the Fourth Proportional to 75,085.22, 103,640.73 and 43,275.35

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Solution

The fourth proportional to 75,085.22, 103,640.73 and 43,275.35 is: 59,733.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,085.22 : 103,640.73 = 43,275.35 : x
  2. Step 2: Convert to fraction form
    75,085.22/103,640.73 = 43,275.35/x
  3. Step 3: Cross multiply
    75,085.22x = 103,640.73 × 43,275.35
  4. Step 4: Simplify right side
    75,085.22x = 4,485,088,865.01
  5. Step 5: Solve for x
    x = 4,485,088,865.01/75,085.22
  6. Step 6: Final answer
    x = 59,733.31

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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.