Home / 91,308.35-126,004.91-51,022.21

Finding the Fourth Proportional to 91,308.35, 126,004.91 and 51,022.21

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Solution

The fourth proportional to 91,308.35, 126,004.91 and 51,022.21 is: 70,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,308.35 : 126,004.91 = 51,022.21 : x
  2. Step 2: Convert to fraction form
    91,308.35/126,004.91 = 51,022.21/x
  3. Step 3: Cross multiply
    91,308.35x = 126,004.91 × 51,022.21
  4. Step 4: Simplify right side
    91,308.35x = 6,429,048,645.19
  5. Step 5: Solve for x
    x = 6,429,048,645.19/91,308.35
  6. Step 6: Final answer
    x = 70,410.31

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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.