Home / 74,983.16-103,476.98-40,992.06

Finding the Fourth Proportional to 74,983.16, 103,476.98 and 40,992.06

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Solution

The fourth proportional to 74,983.16, 103,476.98 and 40,992.06 is: 56,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,983.16 : 103,476.98 = 40,992.06 : x
  2. Step 2: Convert to fraction form
    74,983.16/103,476.98 = 40,992.06/x
  3. Step 3: Cross multiply
    74,983.16x = 103,476.98 × 40,992.06
  4. Step 4: Simplify right side
    74,983.16x = 4,241,734,367.82
  5. Step 5: Solve for x
    x = 4,241,734,367.82/74,983.16
  6. Step 6: Final answer
    x = 56,569.16

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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.