Home / 91,918.55-126,847.65-51,632.33

Finding the Fourth Proportional to 91,918.55, 126,847.65 and 51,632.33

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Solution

The fourth proportional to 91,918.55, 126,847.65 and 51,632.33 is: 71,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,918.55 : 126,847.65 = 51,632.33 : x
  2. Step 2: Convert to fraction form
    91,918.55/126,847.65 = 51,632.33/x
  3. Step 3: Cross multiply
    91,918.55x = 126,847.65 × 51,632.33
  4. Step 4: Simplify right side
    91,918.55x = 6,549,439,090.29
  5. Step 5: Solve for x
    x = 6,549,439,090.29/91,918.55
  6. Step 6: Final answer
    x = 71,252.64

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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.