Home / 91,620.52-126,452.10-53,896.36

Finding the Fourth Proportional to 91,620.52, 126,452.10 and 53,896.36

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Solution

The fourth proportional to 91,620.52, 126,452.10 and 53,896.36 is: 74,386.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,620.52 : 126,452.10 = 53,896.36 : x
  2. Step 2: Convert to fraction form
    91,620.52/126,452.10 = 53,896.36/x
  3. Step 3: Cross multiply
    91,620.52x = 126,452.10 × 53,896.36
  4. Step 4: Simplify right side
    91,620.52x = 6,815,307,904.36
  5. Step 5: Solve for x
    x = 6,815,307,904.36/91,620.52
  6. Step 6: Final answer
    x = 74,386.26

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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.