Home / 77,634.10-107,146.38-43,645.39

Finding the Fourth Proportional to 77,634.10, 107,146.38 and 43,645.39

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Solution

The fourth proportional to 77,634.10, 107,146.38 and 43,645.39 is: 60,237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,634.10 : 107,146.38 = 43,645.39 : x
  2. Step 2: Convert to fraction form
    77,634.10/107,146.38 = 43,645.39/x
  3. Step 3: Cross multiply
    77,634.10x = 107,146.38 × 43,645.39
  4. Step 4: Simplify right side
    77,634.10x = 4,676,445,542.19
  5. Step 5: Solve for x
    x = 4,676,445,542.19/77,634.10
  6. Step 6: Final answer
    x = 60,237.00

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1.5x scale

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.