Home / 74,673.30-102,907.38-53,415.66

Finding the Fourth Proportional to 74,673.30, 102,907.38 and 53,415.66

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Solution

The fourth proportional to 74,673.30, 102,907.38 and 53,415.66 is: 73,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,673.30 : 102,907.38 = 53,415.66 : x
  2. Step 2: Convert to fraction form
    74,673.30/102,907.38 = 53,415.66/x
  3. Step 3: Cross multiply
    74,673.30x = 102,907.38 × 53,415.66
  4. Step 4: Simplify right side
    74,673.30x = 5,496,865,621.57
  5. Step 5: Solve for x
    x = 5,496,865,621.57/74,673.30
  6. Step 6: Final answer
    x = 73,612.20

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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.