Home / 74,839.18-112,199.16-43,213.34

Finding the Fourth Proportional to 74,839.18, 112,199.16 and 43,213.34

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Solution

The fourth proportional to 74,839.18, 112,199.16 and 43,213.34 is: 64,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,839.18 : 112,199.16 = 43,213.34 : x
  2. Step 2: Convert to fraction form
    74,839.18/112,199.16 = 43,213.34/x
  3. Step 3: Cross multiply
    74,839.18x = 112,199.16 × 43,213.34
  4. Step 4: Simplify right side
    74,839.18x = 4,848,500,448.79
  5. Step 5: Solve for x
    x = 4,848,500,448.79/74,839.18
  6. Step 6: Final answer
    x = 64,785.59

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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.