Home / 79,426.44-109,610.10-45,437.94

Finding the Fourth Proportional to 79,426.44, 109,610.10 and 45,437.94

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Solution

The fourth proportional to 79,426.44, 109,610.10 and 45,437.94 is: 62,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,426.44 : 109,610.10 = 45,437.94 : x
  2. Step 2: Convert to fraction form
    79,426.44/109,610.10 = 45,437.94/x
  3. Step 3: Cross multiply
    79,426.44x = 109,610.10 × 45,437.94
  4. Step 4: Simplify right side
    79,426.44x = 4,980,457,147.19
  5. Step 5: Solve for x
    x = 4,980,457,147.19/79,426.44
  6. Step 6: Final answer
    x = 62,705.28

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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.