Home / 77,257.86-106,590.87-43,261.26

Finding the Fourth Proportional to 77,257.86, 106,590.87 and 43,261.26

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Solution

The fourth proportional to 77,257.86, 106,590.87 and 43,261.26 is: 59,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,257.86 : 106,590.87 = 43,261.26 : x
  2. Step 2: Convert to fraction form
    77,257.86/106,590.87 = 43,261.26/x
  3. Step 3: Cross multiply
    77,257.86x = 106,590.87 × 43,261.26
  4. Step 4: Simplify right side
    77,257.86x = 4,611,255,340.70
  5. Step 5: Solve for x
    x = 4,611,255,340.70/77,257.86
  6. Step 6: Final answer
    x = 59,686.55

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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.