Home / 42,409.60-63,758.40-34,674.56

Finding the Fourth Proportional to 42,409.60, 63,758.40 and 34,674.56

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Solution

The fourth proportional to 42,409.60, 63,758.40 and 34,674.56 is: 52,129.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,409.60 : 63,758.40 = 34,674.56 : x
  2. Step 2: Convert to fraction form
    42,409.60/63,758.40 = 34,674.56/x
  3. Step 3: Cross multiply
    42,409.60x = 63,758.40 × 34,674.56
  4. Step 4: Simplify right side
    42,409.60x = 2,210,794,466.30
  5. Step 5: Solve for x
    x = 2,210,794,466.30/42,409.60
  6. Step 6: Final answer
    x = 52,129.58

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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.