Home / 74,304.59-111,371.02-34,239.80

Finding the Fourth Proportional to 74,304.59, 111,371.02 and 34,239.80

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Solution

The fourth proportional to 74,304.59, 111,371.02 and 34,239.80 is: 51,320.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,304.59 : 111,371.02 = 34,239.80 : x
  2. Step 2: Convert to fraction form
    74,304.59/111,371.02 = 34,239.80/x
  3. Step 3: Cross multiply
    74,304.59x = 111,371.02 × 34,239.80
  4. Step 4: Simplify right side
    74,304.59x = 3,813,321,643.42
  5. Step 5: Solve for x
    x = 3,813,321,643.42/74,304.59
  6. Step 6: Final answer
    x = 51,320.14

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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.