Home / 77,292.27-106,609.97-54,370.69

Finding the Fourth Proportional to 77,292.27, 106,609.97 and 54,370.69

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Solution

The fourth proportional to 77,292.27, 106,609.97 and 54,370.69 is: 74,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,292.27 : 106,609.97 = 54,370.69 : x
  2. Step 2: Convert to fraction form
    77,292.27/106,609.97 = 54,370.69/x
  3. Step 3: Cross multiply
    77,292.27x = 106,609.97 × 54,370.69
  4. Step 4: Simplify right side
    77,292.27x = 5,796,457,629.78
  5. Step 5: Solve for x
    x = 5,796,457,629.78/77,292.27
  6. Step 6: Final answer
    x = 74,994.01

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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.