Home / 91,239.34-125,909.10-50,953.84

Finding the Fourth Proportional to 91,239.34, 125,909.10 and 50,953.84

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Solution

The fourth proportional to 91,239.34, 125,909.10 and 50,953.84 is: 70,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,239.34 : 125,909.10 = 50,953.84 : x
  2. Step 2: Convert to fraction form
    91,239.34/125,909.10 = 50,953.84/x
  3. Step 3: Cross multiply
    91,239.34x = 125,909.10 × 50,953.84
  4. Step 4: Simplify right side
    91,239.34x = 6,415,552,135.94
  5. Step 5: Solve for x
    x = 6,415,552,135.94/91,239.34
  6. Step 6: Final answer
    x = 70,315.64

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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.