Home / 64,735.51-89,283.85-42,375.19

Finding the Fourth Proportional to 64,735.51, 89,283.85 and 42,375.19

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Solution

The fourth proportional to 64,735.51, 89,283.85 and 42,375.19 is: 58,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,735.51 : 89,283.85 = 42,375.19 : x
  2. Step 2: Convert to fraction form
    64,735.51/89,283.85 = 42,375.19/x
  3. Step 3: Cross multiply
    64,735.51x = 89,283.85 × 42,375.19
  4. Step 4: Simplify right side
    64,735.51x = 3,783,420,107.68
  5. Step 5: Solve for x
    x = 3,783,420,107.68/64,735.51
  6. Step 6: Final answer
    x = 58,444.28

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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.