Home / 74,223.04-102,429.02-40,232.60

Finding the Fourth Proportional to 74,223.04, 102,429.02 and 40,232.60

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Solution

The fourth proportional to 74,223.04, 102,429.02 and 40,232.60 is: 55,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,223.04 : 102,429.02 = 40,232.60 : x
  2. Step 2: Convert to fraction form
    74,223.04/102,429.02 = 40,232.60/x
  3. Step 3: Cross multiply
    74,223.04x = 102,429.02 × 40,232.60
  4. Step 4: Simplify right side
    74,223.04x = 4,120,985,790.05
  5. Step 5: Solve for x
    x = 4,120,985,790.05/74,223.04
  6. Step 6: Final answer
    x = 55,521.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.