Home / 42,958.85-64,485.42-34,130.93

Finding the Fourth Proportional to 42,958.85, 64,485.42 and 34,130.93

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Solution

The fourth proportional to 42,958.85, 64,485.42 and 34,130.93 is: 51,233.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,958.85 : 64,485.42 = 34,130.93 : x
  2. Step 2: Convert to fraction form
    42,958.85/64,485.42 = 34,130.93/x
  3. Step 3: Cross multiply
    42,958.85x = 64,485.42 × 34,130.93
  4. Step 4: Simplify right side
    42,958.85x = 2,200,947,211.44
  5. Step 5: Solve for x
    x = 2,200,947,211.44/42,958.85
  6. Step 6: Final answer
    x = 51,233.84

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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.