Home / 91,640.08-126,461.24-53,397.25

Finding the Fourth Proportional to 91,640.08, 126,461.24 and 53,397.25

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Solution

The fourth proportional to 91,640.08, 126,461.24 and 53,397.25 is: 73,687.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,640.08 : 126,461.24 = 53,397.25 : x
  2. Step 2: Convert to fraction form
    91,640.08/126,461.24 = 53,397.25/x
  3. Step 3: Cross multiply
    91,640.08x = 126,461.24 × 53,397.25
  4. Step 4: Simplify right side
    91,640.08x = 6,752,682,447.59
  5. Step 5: Solve for x
    x = 6,752,682,447.59/91,640.08
  6. Step 6: Final answer
    x = 73,687.00

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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.