Home / 84,744.85-127,111.09-39,776.46

Finding the Fourth Proportional to 84,744.85, 127,111.09 and 39,776.46

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Solution

The fourth proportional to 84,744.85, 127,111.09 and 39,776.46 is: 59,661.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,744.85 : 127,111.09 = 39,776.46 : x
  2. Step 2: Convert to fraction form
    84,744.85/127,111.09 = 39,776.46/x
  3. Step 3: Cross multiply
    84,744.85x = 127,111.09 × 39,776.46
  4. Step 4: Simplify right side
    84,744.85x = 5,056,029,186.94
  5. Step 5: Solve for x
    x = 5,056,029,186.94/84,744.85
  6. Step 6: Final answer
    x = 59,661.79

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1.5x scale

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.