Home / 77,463.15-106,874.78-43,466.64

Finding the Fourth Proportional to 77,463.15, 106,874.78 and 43,466.64

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Solution

The fourth proportional to 77,463.15, 106,874.78 and 43,466.64 is: 59,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,463.15 : 106,874.78 = 43,466.64 : x
  2. Step 2: Convert to fraction form
    77,463.15/106,874.78 = 43,466.64/x
  3. Step 3: Cross multiply
    77,463.15x = 106,874.78 × 43,466.64
  4. Step 4: Simplify right side
    77,463.15x = 4,645,487,587.34
  5. Step 5: Solve for x
    x = 4,645,487,587.34/77,463.15
  6. Step 6: Final answer
    x = 59,970.29

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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.