Home / 77,427.96-106,858.68-43,445.63

Finding the Fourth Proportional to 77,427.96, 106,858.68 and 43,445.63

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Solution

The fourth proportional to 77,427.96, 106,858.68 and 43,445.63 is: 59,959.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,427.96 : 106,858.68 = 43,445.63 : x
  2. Step 2: Convert to fraction form
    77,427.96/106,858.68 = 43,445.63/x
  3. Step 3: Cross multiply
    77,427.96x = 106,858.68 × 43,445.63
  4. Step 4: Simplify right side
    77,427.96x = 4,642,542,673.57
  5. Step 5: Solve for x
    x = 4,642,542,673.57/77,427.96
  6. Step 6: Final answer
    x = 59,959.51

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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.