Home / 92,996.17-128,326.07-52,713.45

Finding the Fourth Proportional to 92,996.17, 128,326.07 and 52,713.45

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Solution

The fourth proportional to 92,996.17, 128,326.07 and 52,713.45 is: 72,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,996.17 : 128,326.07 = 52,713.45 : x
  2. Step 2: Convert to fraction form
    92,996.17/128,326.07 = 52,713.45/x
  3. Step 3: Cross multiply
    92,996.17x = 128,326.07 × 52,713.45
  4. Step 4: Simplify right side
    92,996.17x = 6,764,510,006.43
  5. Step 5: Solve for x
    x = 6,764,510,006.43/92,996.17
  6. Step 6: Final answer
    x = 72,739.66

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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.