Home / 74,068.97-102,215.12-41,810.38

Finding the Fourth Proportional to 74,068.97, 102,215.12 and 41,810.38

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Solution

The fourth proportional to 74,068.97, 102,215.12 and 41,810.38 is: 57,698.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,068.97 : 102,215.12 = 41,810.38 : x
  2. Step 2: Convert to fraction form
    74,068.97/102,215.12 = 41,810.38/x
  3. Step 3: Cross multiply
    74,068.97x = 102,215.12 × 41,810.38
  4. Step 4: Simplify right side
    74,068.97x = 4,273,652,799.89
  5. Step 5: Solve for x
    x = 4,273,652,799.89/74,068.97
  6. Step 6: Final answer
    x = 57,698.29

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1.5x scale

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.