Home / 91,404.28-126,097.86-53,661.52

Finding the Fourth Proportional to 91,404.28, 126,097.86 and 53,661.52

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Solution

The fourth proportional to 91,404.28, 126,097.86 and 53,661.52 is: 74,029.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,404.28 : 126,097.86 = 53,661.52 : x
  2. Step 2: Convert to fraction form
    91,404.28/126,097.86 = 53,661.52/x
  3. Step 3: Cross multiply
    91,404.28x = 126,097.86 × 53,661.52
  4. Step 4: Simplify right side
    91,404.28x = 6,766,602,836.35
  5. Step 5: Solve for x
    x = 6,766,602,836.35/91,404.28
  6. Step 6: Final answer
    x = 74,029.39

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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.