Home / 74,208.04-111,325.02-40,913.80

Finding the Fourth Proportional to 74,208.04, 111,325.02 and 40,913.80

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Solution

The fourth proportional to 74,208.04, 111,325.02 and 40,913.80 is: 61,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,208.04 : 111,325.02 = 40,913.80 : x
  2. Step 2: Convert to fraction form
    74,208.04/111,325.02 = 40,913.80/x
  3. Step 3: Cross multiply
    74,208.04x = 111,325.02 × 40,913.80
  4. Step 4: Simplify right side
    74,208.04x = 4,554,729,603.28
  5. Step 5: Solve for x
    x = 4,554,729,603.28/74,208.04
  6. Step 6: Final answer
    x = 61,377.85

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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.