Home / 79,401.25-109,583.45-45,867.25

Finding the Fourth Proportional to 79,401.25, 109,583.45 and 45,867.25

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Solution

The fourth proportional to 79,401.25, 109,583.45 and 45,867.25 is: 63,302.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,401.25 : 109,583.45 = 45,867.25 : x
  2. Step 2: Convert to fraction form
    79,401.25/109,583.45 = 45,867.25/x
  3. Step 3: Cross multiply
    79,401.25x = 109,583.45 × 45,867.25
  4. Step 4: Simplify right side
    79,401.25x = 5,026,291,497.01
  5. Step 5: Solve for x
    x = 5,026,291,497.01/79,401.25
  6. Step 6: Final answer
    x = 63,302.42

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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.