Home / 74,389.48-111,489.34-34,859.40

Finding the Fourth Proportional to 74,389.48, 111,489.34 and 34,859.40

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Solution

The fourth proportional to 74,389.48, 111,489.34 and 34,859.40 is: 52,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,389.48 : 111,489.34 = 34,859.40 : x
  2. Step 2: Convert to fraction form
    74,389.48/111,489.34 = 34,859.40/x
  3. Step 3: Cross multiply
    74,389.48x = 111,489.34 × 34,859.40
  4. Step 4: Simplify right side
    74,389.48x = 3,886,451,498.80
  5. Step 5: Solve for x
    x = 3,886,451,498.80/74,389.48
  6. Step 6: Final answer
    x = 52,244.64

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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.