Home / 91,396.37-126,130.42-51,110.03

Finding the Fourth Proportional to 91,396.37, 126,130.42 and 51,110.03

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Solution

The fourth proportional to 91,396.37, 126,130.42 and 51,110.03 is: 70,533.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,396.37 : 126,130.42 = 51,110.03 : x
  2. Step 2: Convert to fraction form
    91,396.37/126,130.42 = 51,110.03/x
  3. Step 3: Cross multiply
    91,396.37x = 126,130.42 × 51,110.03
  4. Step 4: Simplify right side
    91,396.37x = 6,446,529,550.11
  5. Step 5: Solve for x
    x = 6,446,529,550.11/91,396.37
  6. Step 6: Final answer
    x = 70,533.76

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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.