Home / 77,983.19-107,567.26-51,127.44

Finding the Fourth Proportional to 77,983.19, 107,567.26 and 51,127.44

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Solution

The fourth proportional to 77,983.19, 107,567.26 and 51,127.44 is: 70,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,983.19 : 107,567.26 = 51,127.44 : x
  2. Step 2: Convert to fraction form
    77,983.19/107,567.26 = 51,127.44/x
  3. Step 3: Cross multiply
    77,983.19x = 107,567.26 × 51,127.44
  4. Step 4: Simplify right side
    77,983.19x = 5,499,638,100.42
  5. Step 5: Solve for x
    x = 5,499,638,100.42/77,983.19
  6. Step 6: Final answer
    x = 70,523.38

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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.