Home / 91,749.51-126,615.38-50,914.47

Finding the Fourth Proportional to 91,749.51, 126,615.38 and 50,914.47

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Solution

The fourth proportional to 91,749.51, 126,615.38 and 50,914.47 is: 70,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,749.51 : 126,615.38 = 50,914.47 : x
  2. Step 2: Convert to fraction form
    91,749.51/126,615.38 = 50,914.47/x
  3. Step 3: Cross multiply
    91,749.51x = 126,615.38 × 50,914.47
  4. Step 4: Simplify right side
    91,749.51x = 6,446,554,966.55
  5. Step 5: Solve for x
    x = 6,446,554,966.55/91,749.51
  6. Step 6: Final answer
    x = 70,262.55

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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.