Home / 79,727.04-110,028.05-45,735.30

Finding the Fourth Proportional to 79,727.04, 110,028.05 and 45,735.30

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Solution

The fourth proportional to 79,727.04, 110,028.05 and 45,735.30 is: 63,117.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,727.04 : 110,028.05 = 45,735.30 : x
  2. Step 2: Convert to fraction form
    79,727.04/110,028.05 = 45,735.30/x
  3. Step 3: Cross multiply
    79,727.04x = 110,028.05 × 45,735.30
  4. Step 4: Simplify right side
    79,727.04x = 5,032,165,875.17
  5. Step 5: Solve for x
    x = 5,032,165,875.17/79,727.04
  6. Step 6: Final answer
    x = 63,117.43

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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.