Home / 91,606.85-126,415.91-51,320.48

Finding the Fourth Proportional to 91,606.85, 126,415.91 and 51,320.48

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Solution

The fourth proportional to 91,606.85, 126,415.91 and 51,320.48 is: 70,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,606.85 : 126,415.91 = 51,320.48 : x
  2. Step 2: Convert to fraction form
    91,606.85/126,415.91 = 51,320.48/x
  3. Step 3: Cross multiply
    91,606.85x = 126,415.91 × 51,320.48
  4. Step 4: Simplify right side
    91,606.85x = 6,487,724,292.15
  5. Step 5: Solve for x
    x = 6,487,724,292.15/91,606.85
  6. Step 6: Final answer
    x = 70,821.39

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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.