Home / 81,736.44-112,795.92-45,437.64

Finding the Fourth Proportional to 81,736.44, 112,795.92 and 45,437.64

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Solution

The fourth proportional to 81,736.44, 112,795.92 and 45,437.64 is: 62,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,736.44 : 112,795.92 = 45,437.64 : x
  2. Step 2: Convert to fraction form
    81,736.44/112,795.92 = 45,437.64/x
  3. Step 3: Cross multiply
    81,736.44x = 112,795.92 × 45,437.64
  4. Step 4: Simplify right side
    81,736.44x = 5,125,180,406.43
  5. Step 5: Solve for x
    x = 5,125,180,406.43/81,736.44
  6. Step 6: Final answer
    x = 62,703.74

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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.