Home / 53,853.86-80,655.39-51,985.46

Finding the Fourth Proportional to 53,853.86, 80,655.39 and 51,985.46

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Solution

The fourth proportional to 53,853.86, 80,655.39 and 51,985.46 is: 77,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,853.86 : 80,655.39 = 51,985.46 : x
  2. Step 2: Convert to fraction form
    53,853.86/80,655.39 = 51,985.46/x
  3. Step 3: Cross multiply
    53,853.86x = 80,655.39 × 51,985.46
  4. Step 4: Simplify right side
    53,853.86x = 4,192,907,550.63
  5. Step 5: Solve for x
    x = 4,192,907,550.63/53,853.86
  6. Step 6: Final answer
    x = 77,857.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.