Home / 79,623.40-109,867.74-45,625.35

Finding the Fourth Proportional to 79,623.40, 109,867.74 and 45,625.35

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Solution

The fourth proportional to 79,623.40, 109,867.74 and 45,625.35 is: 62,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,623.40 : 109,867.74 = 45,625.35 : x
  2. Step 2: Convert to fraction form
    79,623.40/109,867.74 = 45,625.35/x
  3. Step 3: Cross multiply
    79,623.40x = 109,867.74 × 45,625.35
  4. Step 4: Simplify right side
    79,623.40x = 5,012,754,091.21
  5. Step 5: Solve for x
    x = 5,012,754,091.21/79,623.40
  6. Step 6: Final answer
    x = 62,955.79

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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.