Home / 77,079.85-106,370.62-43,089.77

Finding the Fourth Proportional to 77,079.85, 106,370.62 and 43,089.77

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Solution

The fourth proportional to 77,079.85, 106,370.62 and 43,089.77 is: 59,464.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,079.85 : 106,370.62 = 43,089.77 : x
  2. Step 2: Convert to fraction form
    77,079.85/106,370.62 = 43,089.77/x
  3. Step 3: Cross multiply
    77,079.85x = 106,370.62 × 43,089.77
  4. Step 4: Simplify right side
    77,079.85x = 4,583,485,658.28
  5. Step 5: Solve for x
    x = 4,583,485,658.28/77,079.85
  6. Step 6: Final answer
    x = 59,464.12

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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.