Home / 79,426.46-109,608.86-45,435.32

Finding the Fourth Proportional to 79,426.46, 109,608.86 and 45,435.32

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Solution

The fourth proportional to 79,426.46, 109,608.86 and 45,435.32 is: 62,700.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,426.46 : 109,608.86 = 45,435.32 : x
  2. Step 2: Convert to fraction form
    79,426.46/109,608.86 = 45,435.32/x
  3. Step 3: Cross multiply
    79,426.46x = 109,608.86 × 45,435.32
  4. Step 4: Simplify right side
    79,426.46x = 4,980,113,628.94
  5. Step 5: Solve for x
    x = 4,980,113,628.94/79,426.46
  6. Step 6: Final answer
    x = 62,700.94

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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.