Home / 79,301.82-109,426.40-45,312.51

Finding the Fourth Proportional to 79,301.82, 109,426.40 and 45,312.51

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Solution

The fourth proportional to 79,301.82, 109,426.40 and 45,312.51 is: 62,525.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,301.82 : 109,426.40 = 45,312.51 : x
  2. Step 2: Convert to fraction form
    79,301.82/109,426.40 = 45,312.51/x
  3. Step 3: Cross multiply
    79,301.82x = 109,426.40 × 45,312.51
  4. Step 4: Simplify right side
    79,301.82x = 4,958,385,197.97
  5. Step 5: Solve for x
    x = 4,958,385,197.97/79,301.82
  6. Step 6: Final answer
    x = 62,525.49

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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.