Home / 56,476.80-77,780.16-55,252.32

Finding the Fourth Proportional to 56,476.80, 77,780.16 and 55,252.32

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Solution

The fourth proportional to 56,476.80, 77,780.16 and 55,252.32 is: 76,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,476.80 : 77,780.16 = 55,252.32 : x
  2. Step 2: Convert to fraction form
    56,476.80/77,780.16 = 55,252.32/x
  3. Step 3: Cross multiply
    56,476.80x = 77,780.16 × 55,252.32
  4. Step 4: Simplify right side
    56,476.80x = 4,297,534,289.97
  5. Step 5: Solve for x
    x = 4,297,534,289.97/56,476.80
  6. Step 6: Final answer
    x = 76,093.80

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1.5x scale

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.