Home / 91,779.82-126,658.08-51,496.49

Finding the Fourth Proportional to 91,779.82, 126,658.08 and 51,496.49

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Solution

The fourth proportional to 91,779.82, 126,658.08 and 51,496.49 is: 71,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,779.82 : 126,658.08 = 51,496.49 : x
  2. Step 2: Convert to fraction form
    91,779.82/126,658.08 = 51,496.49/x
  3. Step 3: Cross multiply
    91,779.82x = 126,658.08 × 51,496.49
  4. Step 4: Simplify right side
    91,779.82x = 6,522,446,550.14
  5. Step 5: Solve for x
    x = 6,522,446,550.14/91,779.82
  6. Step 6: Final answer
    x = 71,066.24

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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.