Home / 91,384.86-126,102.51-51,093.03

Finding the Fourth Proportional to 91,384.86, 126,102.51 and 51,093.03

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Solution

The fourth proportional to 91,384.86, 126,102.51 and 51,093.03 is: 70,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,384.86 : 126,102.51 = 51,093.03 : x
  2. Step 2: Convert to fraction form
    91,384.86/126,102.51 = 51,093.03/x
  3. Step 3: Cross multiply
    91,384.86x = 126,102.51 × 51,093.03
  4. Step 4: Simplify right side
    91,384.86x = 6,442,959,326.51
  5. Step 5: Solve for x
    x = 6,442,959,326.51/91,384.86
  6. Step 6: Final answer
    x = 70,503.57

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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.