Home / 74,864.20-103,228.68-51,004.84

Finding the Fourth Proportional to 74,864.20, 103,228.68 and 51,004.84

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Solution

The fourth proportional to 74,864.20, 103,228.68 and 51,004.84 is: 70,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,864.20 : 103,228.68 = 51,004.84 : x
  2. Step 2: Convert to fraction form
    74,864.20/103,228.68 = 51,004.84/x
  3. Step 3: Cross multiply
    74,864.20x = 103,228.68 × 51,004.84
  4. Step 4: Simplify right side
    74,864.20x = 5,265,162,306.81
  5. Step 5: Solve for x
    x = 5,265,162,306.81/74,864.20
  6. Step 6: Final answer
    x = 70,329.51

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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.