Home / 77,497.07-106,918.43-50,655.11

Finding the Fourth Proportional to 77,497.07, 106,918.43 and 50,655.11

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Solution

The fourth proportional to 77,497.07, 106,918.43 and 50,655.11 is: 69,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,497.07 : 106,918.43 = 50,655.11 : x
  2. Step 2: Convert to fraction form
    77,497.07/106,918.43 = 50,655.11/x
  3. Step 3: Cross multiply
    77,497.07x = 106,918.43 × 50,655.11
  4. Step 4: Simplify right side
    77,497.07x = 5,415,964,044.81
  5. Step 5: Solve for x
    x = 5,415,964,044.81/77,497.07
  6. Step 6: Final answer
    x = 69,886.05

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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.