Home / 49,340.25-74,044.40-42,759.81

Finding the Fourth Proportional to 49,340.25, 74,044.40 and 42,759.81

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Solution

The fourth proportional to 49,340.25, 74,044.40 and 42,759.81 is: 64,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,340.25 : 74,044.40 = 42,759.81 : x
  2. Step 2: Convert to fraction form
    49,340.25/74,044.40 = 42,759.81/x
  3. Step 3: Cross multiply
    49,340.25x = 74,044.40 × 42,759.81
  4. Step 4: Simplify right side
    49,340.25x = 3,166,124,261.76
  5. Step 5: Solve for x
    x = 3,166,124,261.76/49,340.25
  6. Step 6: Final answer
    x = 64,169.20

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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.