Home / 77,126.96-106,418.04-46,928

Finding the Fourth Proportional to 77,126.96, 106,418.04 and 46,928

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Solution

The fourth proportional to 77,126.96, 106,418.04 and 46,928 is: 64,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,126.96 : 106,418.04 = 46,928 : x
  2. Step 2: Convert to fraction form
    77,126.96/106,418.04 = 46,928/x
  3. Step 3: Cross multiply
    77,126.96x = 106,418.04 × 46,928
  4. Step 4: Simplify right side
    77,126.96x = 4,993,985,781.12
  5. Step 5: Solve for x
    x = 4,993,985,781.12/77,126.96
  6. Step 6: Final answer
    x = 64,750.20

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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.