Home / 84,933.84-127,401.03-25,770

Finding the Fourth Proportional to 84,933.84, 127,401.03 and 25,770

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Solution

The fourth proportional to 84,933.84, 127,401.03 and 25,770 is: 38,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,933.84 : 127,401.03 = 25,770 : x
  2. Step 2: Convert to fraction form
    84,933.84/127,401.03 = 25,770/x
  3. Step 3: Cross multiply
    84,933.84x = 127,401.03 × 25,770
  4. Step 4: Simplify right side
    84,933.84x = 3,283,124,543.10
  5. Step 5: Solve for x
    x = 3,283,124,543.10/84,933.84
  6. Step 6: Final answer
    x = 38,655.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.