Home / 91,291.58-125,969.85-51,000.33

Finding the Fourth Proportional to 91,291.58, 125,969.85 and 51,000.33

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Solution

The fourth proportional to 91,291.58, 125,969.85 and 51,000.33 is: 70,373.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,291.58 : 125,969.85 = 51,000.33 : x
  2. Step 2: Convert to fraction form
    91,291.58/125,969.85 = 51,000.33/x
  3. Step 3: Cross multiply
    91,291.58x = 125,969.85 × 51,000.33
  4. Step 4: Simplify right side
    91,291.58x = 6,424,503,920.05
  5. Step 5: Solve for x
    x = 6,424,503,920.05/91,291.58
  6. Step 6: Final answer
    x = 70,373.46

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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.