Home / 91,537.49-126,324.09-51,259.77

Finding the Fourth Proportional to 91,537.49, 126,324.09 and 51,259.77

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Solution

The fourth proportional to 91,537.49, 126,324.09 and 51,259.77 is: 70,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,537.49 : 126,324.09 = 51,259.77 : x
  2. Step 2: Convert to fraction form
    91,537.49/126,324.09 = 51,259.77/x
  3. Step 3: Cross multiply
    91,537.49x = 126,324.09 × 51,259.77
  4. Step 4: Simplify right side
    91,537.49x = 6,475,343,798.86
  5. Step 5: Solve for x
    x = 6,475,343,798.86/91,537.49
  6. Step 6: Final answer
    x = 70,739.80

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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.